Home / 132,534.53-198,840.98-76,414.89

Finding the Fourth Proportional to 132,534.53, 198,840.98 and 76,414.89

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Solution

The fourth proportional to 132,534.53, 198,840.98 and 76,414.89 is: 114,644.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,534.53 : 198,840.98 = 76,414.89 : x
  2. Step 2: Convert to fraction form
    132,534.53/198,840.98 = 76,414.89/x
  3. Step 3: Cross multiply
    132,534.53x = 198,840.98 × 76,414.89
  4. Step 4: Simplify right side
    132,534.53x = 15,194,412,121.05
  5. Step 5: Solve for x
    x = 15,194,412,121.05/132,534.53
  6. Step 6: Final answer
    x = 114,644.93

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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.