Home / 132,282.09-198,456.11-38,787.84

Finding the Fourth Proportional to 132,282.09, 198,456.11 and 38,787.84

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Solution

The fourth proportional to 132,282.09, 198,456.11 and 38,787.84 is: 58,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,282.09 : 198,456.11 = 38,787.84 : x
  2. Step 2: Convert to fraction form
    132,282.09/198,456.11 = 38,787.84/x
  3. Step 3: Cross multiply
    132,282.09x = 198,456.11 × 38,787.84
  4. Step 4: Simplify right side
    132,282.09x = 7,697,683,647.76
  5. Step 5: Solve for x
    x = 7,697,683,647.76/132,282.09
  6. Step 6: Final answer
    x = 58,191.43

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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.