Home / 161,785.10-223,264.19-93,842.30

Finding the Fourth Proportional to 161,785.10, 223,264.19 and 93,842.30

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Solution

The fourth proportional to 161,785.10, 223,264.19 and 93,842.30 is: 129,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,785.10 : 223,264.19 = 93,842.30 : x
  2. Step 2: Convert to fraction form
    161,785.10/223,264.19 = 93,842.30/x
  3. Step 3: Cross multiply
    161,785.10x = 223,264.19 × 93,842.30
  4. Step 4: Simplify right side
    161,785.10x = 20,951,625,890.00
  5. Step 5: Solve for x
    x = 20,951,625,890.00/161,785.10
  6. Step 6: Final answer
    x = 129,502.81

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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.