Home / 132,617.62-198,958.02-39,123.46

Finding the Fourth Proportional to 132,617.62, 198,958.02 and 39,123.46

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Solution

The fourth proportional to 132,617.62, 198,958.02 and 39,123.46 is: 58,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,617.62 : 198,958.02 = 39,123.46 : x
  2. Step 2: Convert to fraction form
    132,617.62/198,958.02 = 39,123.46/x
  3. Step 3: Cross multiply
    132,617.62x = 198,958.02 × 39,123.46
  4. Step 4: Simplify right side
    132,617.62x = 7,783,926,137.15
  5. Step 5: Solve for x
    x = 7,783,926,137.15/132,617.62
  6. Step 6: Final answer
    x = 58,694.51

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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.