Home / 132,517.72-182,949.92-87,327.04

Finding the Fourth Proportional to 132,517.72, 182,949.92 and 87,327.04

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Solution

The fourth proportional to 132,517.72, 182,949.92 and 87,327.04 is: 120,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,517.72 : 182,949.92 = 87,327.04 : x
  2. Step 2: Convert to fraction form
    132,517.72/182,949.92 = 87,327.04/x
  3. Step 3: Cross multiply
    132,517.72x = 182,949.92 × 87,327.04
  4. Step 4: Simplify right side
    132,517.72x = 15,976,474,981.84
  5. Step 5: Solve for x
    x = 15,976,474,981.84/132,517.72
  6. Step 6: Final answer
    x = 120,561.05

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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.