Home / 132,418.50-198,565.32-48,119.38

Finding the Fourth Proportional to 132,418.50, 198,565.32 and 48,119.38

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Solution

The fourth proportional to 132,418.50, 198,565.32 and 48,119.38 is: 72,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,418.50 : 198,565.32 = 48,119.38 : x
  2. Step 2: Convert to fraction form
    132,418.50/198,565.32 = 48,119.38/x
  3. Step 3: Cross multiply
    132,418.50x = 198,565.32 × 48,119.38
  4. Step 4: Simplify right side
    132,418.50x = 9,554,840,087.90
  5. Step 5: Solve for x
    x = 9,554,840,087.90/132,418.50
  6. Step 6: Final answer
    x = 72,156.38

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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.