Home / 156,717.80-216,268.31-88,733.00

Finding the Fourth Proportional to 156,717.80, 216,268.31 and 88,733.00

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Solution

The fourth proportional to 156,717.80, 216,268.31 and 88,733.00 is: 122,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.80 : 216,268.31 = 88,733.00 : x
  2. Step 2: Convert to fraction form
    156,717.80/216,268.31 = 88,733.00/x
  3. Step 3: Cross multiply
    156,717.80x = 216,268.31 × 88,733.00
  4. Step 4: Simplify right side
    156,717.80x = 19,190,134,426.22
  5. Step 5: Solve for x
    x = 19,190,134,426.22/156,717.80
  6. Step 6: Final answer
    x = 122,450.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.