Home / 119,561.13-165,073.77-74,306.64

Finding the Fourth Proportional to 119,561.13, 165,073.77 and 74,306.64

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Solution

The fourth proportional to 119,561.13, 165,073.77 and 74,306.64 is: 102,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,561.13 : 165,073.77 = 74,306.64 : x
  2. Step 2: Convert to fraction form
    119,561.13/165,073.77 = 74,306.64/x
  3. Step 3: Cross multiply
    119,561.13x = 165,073.77 × 74,306.64
  4. Step 4: Simplify right side
    119,561.13x = 12,266,077,200.83
  5. Step 5: Solve for x
    x = 12,266,077,200.83/119,561.13
  6. Step 6: Final answer
    x = 102,592.52

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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.