Home / 132,305.80-182,581.28-71,875.96

Finding the Fourth Proportional to 132,305.80, 182,581.28 and 71,875.96

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Solution

The fourth proportional to 132,305.80, 182,581.28 and 71,875.96 is: 99,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,305.80 : 182,581.28 = 71,875.96 : x
  2. Step 2: Convert to fraction form
    132,305.80/182,581.28 = 71,875.96/x
  3. Step 3: Cross multiply
    132,305.80x = 182,581.28 × 71,875.96
  4. Step 4: Simplify right side
    132,305.80x = 13,123,204,778.03
  5. Step 5: Solve for x
    x = 13,123,204,778.03/132,305.80
  6. Step 6: Final answer
    x = 99,188.43

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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.