Home / 117,545.40-176,318.10-73,149.30

Finding the Fourth Proportional to 117,545.40, 176,318.10 and 73,149.30

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Solution

The fourth proportional to 117,545.40, 176,318.10 and 73,149.30 is: 109,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,545.40 : 176,318.10 = 73,149.30 : x
  2. Step 2: Convert to fraction form
    117,545.40/176,318.10 = 73,149.30/x
  3. Step 3: Cross multiply
    117,545.40x = 176,318.10 × 73,149.30
  4. Step 4: Simplify right side
    117,545.40x = 12,897,545,592.33
  5. Step 5: Solve for x
    x = 12,897,545,592.33/117,545.40
  6. Step 6: Final answer
    x = 109,723.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.