Home / 132,002.70-198,102.47-53,117.61

Finding the Fourth Proportional to 132,002.70, 198,102.47 and 53,117.61

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Solution

The fourth proportional to 132,002.70, 198,102.47 and 53,117.61 is: 79,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.70 : 198,102.47 = 53,117.61 : x
  2. Step 2: Convert to fraction form
    132,002.70/198,102.47 = 53,117.61/x
  3. Step 3: Cross multiply
    132,002.70x = 198,102.47 × 53,117.61
  4. Step 4: Simplify right side
    132,002.70x = 10,522,729,475.91
  5. Step 5: Solve for x
    x = 10,522,729,475.91/132,002.70
  6. Step 6: Final answer
    x = 79,716.02

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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.