In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
[-8.706, 138.003, 241.57, -27.515, -96.785, 176.047, -89.663, 125.559, 117.591, -72.162]