Home / 137,727.40-206,882.70-132,770.20

Finding the Fourth Proportional to 137,727.40, 206,882.70 and 132,770.20

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Solution

The fourth proportional to 137,727.40, 206,882.70 and 132,770.20 is: 199,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,727.40 : 206,882.70 = 132,770.20 : x
  2. Step 2: Convert to fraction form
    137,727.40/206,882.70 = 132,770.20/x
  3. Step 3: Cross multiply
    137,727.40x = 206,882.70 × 132,770.20
  4. Step 4: Simplify right side
    137,727.40x = 27,467,857,455.54
  5. Step 5: Solve for x
    x = 27,467,857,455.54/137,727.40
  6. Step 6: Final answer
    x = 199,436.40

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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.