Home / 132,529.55-198,793.38-53,642.64

Finding the Fourth Proportional to 132,529.55, 198,793.38 and 53,642.64

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Solution

The fourth proportional to 132,529.55, 198,793.38 and 53,642.64 is: 80,463.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,529.55 : 198,793.38 = 53,642.64 : x
  2. Step 2: Convert to fraction form
    132,529.55/198,793.38 = 53,642.64/x
  3. Step 3: Cross multiply
    132,529.55x = 198,793.38 × 53,642.64
  4. Step 4: Simplify right side
    132,529.55x = 10,663,801,717.72
  5. Step 5: Solve for x
    x = 10,663,801,717.72/132,529.55
  6. Step 6: Final answer
    x = 80,463.58

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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.