Home / 132,304.68-198,521.01-82,371.42

Finding the Fourth Proportional to 132,304.68, 198,521.01 and 82,371.42

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Solution

The fourth proportional to 132,304.68, 198,521.01 and 82,371.42 is: 123,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,304.68 : 198,521.01 = 82,371.42 : x
  2. Step 2: Convert to fraction form
    132,304.68/198,521.01 = 82,371.42/x
  3. Step 3: Cross multiply
    132,304.68x = 198,521.01 × 82,371.42
  4. Step 4: Simplify right side
    132,304.68x = 16,352,457,493.53
  5. Step 5: Solve for x
    x = 16,352,457,493.53/132,304.68
  6. Step 6: Final answer
    x = 123,596.97

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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.