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.
[-39.898, -60.195, -41.994, 150.246, 142.529, 116.752, -78.473, 81.114, 237.057, -93.554]