Home / 327,423.33-491,323.32-137,868.75

Finding the Fourth Proportional to 327,423.33, 491,323.32 and 137,868.75

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Solution

The fourth proportional to 327,423.33, 491,323.32 and 137,868.75 is: 206,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,423.33 : 491,323.32 = 137,868.75 : x
  2. Step 2: Convert to fraction form
    327,423.33/491,323.32 = 137,868.75/x
  3. Step 3: Cross multiply
    327,423.33x = 491,323.32 × 137,868.75
  4. Step 4: Simplify right side
    327,423.33x = 67,738,131,974.25
  5. Step 5: Solve for x
    x = 67,738,131,974.25/327,423.33
  6. Step 6: Final answer
    x = 206,882.42

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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.