Home / 327,436.74-491,343.75-137,882.34

Finding the Fourth Proportional to 327,436.74, 491,343.75 and 137,882.34

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Solution

The fourth proportional to 327,436.74, 491,343.75 and 137,882.34 is: 206,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,436.74 : 491,343.75 = 137,882.34 : x
  2. Step 2: Convert to fraction form
    327,436.74/491,343.75 = 137,882.34/x
  3. Step 3: Cross multiply
    327,436.74x = 491,343.75 × 137,882.34
  4. Step 4: Simplify right side
    327,436.74x = 67,747,625,994.38
  5. Step 5: Solve for x
    x = 67,747,625,994.38/327,436.74
  6. Step 6: Final answer
    x = 206,902.95

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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.