Home / 132,418.30-198,627.03-53,531.62

Finding the Fourth Proportional to 132,418.30, 198,627.03 and 53,531.62

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Solution

The fourth proportional to 132,418.30, 198,627.03 and 53,531.62 is: 80,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,418.30 : 198,627.03 = 53,531.62 : x
  2. Step 2: Convert to fraction form
    132,418.30/198,627.03 = 53,531.62/x
  3. Step 3: Cross multiply
    132,418.30x = 198,627.03 × 53,531.62
  4. Step 4: Simplify right side
    132,418.30x = 10,632,826,691.69
  5. Step 5: Solve for x
    x = 10,632,826,691.69/132,418.30
  6. Step 6: Final answer
    x = 80,297.26

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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.