Home / 132,375.96-198,648.38-48,128.04

Finding the Fourth Proportional to 132,375.96, 198,648.38 and 48,128.04

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Solution

The fourth proportional to 132,375.96, 198,648.38 and 48,128.04 is: 72,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,375.96 : 198,648.38 = 48,128.04 : x
  2. Step 2: Convert to fraction form
    132,375.96/198,648.38 = 48,128.04/x
  3. Step 3: Cross multiply
    132,375.96x = 198,648.38 × 48,128.04
  4. Step 4: Simplify right side
    132,375.96x = 9,560,557,178.58
  5. Step 5: Solve for x
    x = 9,560,557,178.58/132,375.96
  6. Step 6: Final answer
    x = 72,222.76

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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.