Home / 132,331.10-198,581.70-73,209.20

Finding the Fourth Proportional to 132,331.10, 198,581.70 and 73,209.20

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Solution

The fourth proportional to 132,331.10, 198,581.70 and 73,209.20 is: 109,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,331.10 : 198,581.70 = 73,209.20 : x
  2. Step 2: Convert to fraction form
    132,331.10/198,581.70 = 73,209.20/x
  3. Step 3: Cross multiply
    132,331.10x = 198,581.70 × 73,209.20
  4. Step 4: Simplify right side
    132,331.10x = 14,538,007,391.64
  5. Step 5: Solve for x
    x = 14,538,007,391.64/132,331.10
  6. Step 6: Final answer
    x = 109,860.85

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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.