Instructions: 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.
Input: [-42.312, 231.429, 15.439, -56.723, -1.288, -87.131]
Output:
[-0.712  3.895  0.26  -0.955 -0.022 -1.467]