Home / 132,442.29-198,543.28-48,142.91

Finding the Fourth Proportional to 132,442.29, 198,543.28 and 48,142.91

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Solution

The fourth proportional to 132,442.29, 198,543.28 and 48,142.91 is: 72,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,442.29 : 198,543.28 = 48,142.91 : x
  2. Step 2: Convert to fraction form
    132,442.29/198,543.28 = 48,142.91/x
  3. Step 3: Cross multiply
    132,442.29x = 198,543.28 × 48,142.91
  4. Step 4: Simplify right side
    132,442.29x = 9,558,450,891.61
  5. Step 5: Solve for x
    x = 9,558,450,891.61/132,442.29
  6. Step 6: Final answer
    x = 72,170.69

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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.