Home / 389,828.33-584,791.68-137,049.41

Finding the Fourth Proportional to 389,828.33, 584,791.68 and 137,049.41

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Solution

The fourth proportional to 389,828.33, 584,791.68 and 137,049.41 is: 205,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,828.33 : 584,791.68 = 137,049.41 : x
  2. Step 2: Convert to fraction form
    389,828.33/584,791.68 = 137,049.41/x
  3. Step 3: Cross multiply
    389,828.33x = 584,791.68 × 137,049.41
  4. Step 4: Simplify right side
    389,828.33x = 80,145,354,716.91
  5. Step 5: Solve for x
    x = 80,145,354,716.91/389,828.33
  6. Step 6: Final answer
    x = 205,591.41

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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.