Home / 132,630.04-198,947.16-73,839.38

Finding the Fourth Proportional to 132,630.04, 198,947.16 and 73,839.38

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Solution

The fourth proportional to 132,630.04, 198,947.16 and 73,839.38 is: 110,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,630.04 : 198,947.16 = 73,839.38 : x
  2. Step 2: Convert to fraction form
    132,630.04/198,947.16 = 73,839.38/x
  3. Step 3: Cross multiply
    132,630.04x = 198,947.16 × 73,839.38
  4. Step 4: Simplify right side
    132,630.04x = 14,690,134,947.16
  5. Step 5: Solve for x
    x = 14,690,134,947.16/132,630.04
  6. Step 6: Final answer
    x = 110,760.24

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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.