Home / 132,544.62-198,493.74-100,920.60

Finding the Fourth Proportional to 132,544.62, 198,493.74 and 100,920.60

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Solution

The fourth proportional to 132,544.62, 198,493.74 and 100,920.60 is: 151,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,544.62 : 198,493.74 = 100,920.60 : x
  2. Step 2: Convert to fraction form
    132,544.62/198,493.74 = 100,920.60/x
  3. Step 3: Cross multiply
    132,544.62x = 198,493.74 × 100,920.60
  4. Step 4: Simplify right side
    132,544.62x = 20,032,107,337.04
  5. Step 5: Solve for x
    x = 20,032,107,337.04/132,544.62
  6. Step 6: Final answer
    x = 151,134.82

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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.