Home / 394,104.03-591,239.08-127,843.76

Finding the Fourth Proportional to 394,104.03, 591,239.08 and 127,843.76

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Solution

The fourth proportional to 394,104.03, 591,239.08 and 127,843.76 is: 191,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,104.03 : 591,239.08 = 127,843.76 : x
  2. Step 2: Convert to fraction form
    394,104.03/591,239.08 = 127,843.76/x
  3. Step 3: Cross multiply
    394,104.03x = 591,239.08 × 127,843.76
  4. Step 4: Simplify right side
    394,104.03x = 75,586,227,046.14
  5. Step 5: Solve for x
    x = 75,586,227,046.14/394,104.03
  6. Step 6: Final answer
    x = 191,792.58

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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.