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.
[143.826, -53.053, -15.912, 41.377, -85.872, 154.355, -3.074, 159.574, 64.077, -86.286]