Home / 132,591.27-198,728.75-92,392.52

Finding the Fourth Proportional to 132,591.27, 198,728.75 and 92,392.52

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Solution

The fourth proportional to 132,591.27, 198,728.75 and 92,392.52 is: 138,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,591.27 : 198,728.75 = 92,392.52 : x
  2. Step 2: Convert to fraction form
    132,591.27/198,728.75 = 92,392.52/x
  3. Step 3: Cross multiply
    132,591.27x = 198,728.75 × 92,392.52
  4. Step 4: Simplify right side
    132,591.27x = 18,361,050,736.75
  5. Step 5: Solve for x
    x = 18,361,050,736.75/132,591.27
  6. Step 6: Final answer
    x = 138,478.58

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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.