Home / 132,251.10-198,461.70-73,129.20

Finding the Fourth Proportional to 132,251.10, 198,461.70 and 73,129.20

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Solution

The fourth proportional to 132,251.10, 198,461.70 and 73,129.20 is: 109,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,251.10 : 198,461.70 = 73,129.20 : x
  2. Step 2: Convert to fraction form
    132,251.10/198,461.70 = 73,129.20/x
  3. Step 3: Cross multiply
    132,251.10x = 198,461.70 × 73,129.20
  4. Step 4: Simplify right side
    132,251.10x = 14,513,345,351.64
  5. Step 5: Solve for x
    x = 14,513,345,351.64/132,251.10
  6. Step 6: Final answer
    x = 109,740.83

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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.