Home / 394,086.06-591,212.07-127,825.74

Finding the Fourth Proportional to 394,086.06, 591,212.07 and 127,825.74

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Solution

The fourth proportional to 394,086.06, 591,212.07 and 127,825.74 is: 191,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,086.06 : 591,212.07 = 127,825.74 : x
  2. Step 2: Convert to fraction form
    394,086.06/591,212.07 = 127,825.74/x
  3. Step 3: Cross multiply
    394,086.06x = 591,212.07 × 127,825.74
  4. Step 4: Simplify right side
    394,086.06x = 75,572,120,344.68
  5. Step 5: Solve for x
    x = 75,572,120,344.68/394,086.06
  6. Step 6: Final answer
    x = 191,765.53

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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.