Home / 394,301.52-591,471.87-192,083.30

Finding the Fourth Proportional to 394,301.52, 591,471.87 and 192,083.30

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Solution

The fourth proportional to 394,301.52, 591,471.87 and 192,083.30 is: 288,134.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,301.52 : 591,471.87 = 192,083.30 : x
  2. Step 2: Convert to fraction form
    394,301.52/591,471.87 = 192,083.30/x
  3. Step 3: Cross multiply
    394,301.52x = 591,471.87 × 192,083.30
  4. Step 4: Simplify right side
    394,301.52x = 113,611,868,267.59
  5. Step 5: Solve for x
    x = 113,611,868,267.59/394,301.52
  6. Step 6: Final answer
    x = 288,134.49

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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.