Home / 132,306.48-182,583.18-71,876.61

Finding the Fourth Proportional to 132,306.48, 182,583.18 and 71,876.61

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Solution

The fourth proportional to 132,306.48, 182,583.18 and 71,876.61 is: 99,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,306.48 : 182,583.18 = 71,876.61 : x
  2. Step 2: Convert to fraction form
    132,306.48/182,583.18 = 71,876.61/x
  3. Step 3: Cross multiply
    132,306.48x = 182,583.18 × 71,876.61
  4. Step 4: Simplify right side
    132,306.48x = 13,123,460,021.42
  5. Step 5: Solve for x
    x = 13,123,460,021.42/132,306.48
  6. Step 6: Final answer
    x = 99,189.85

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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.