Home / 394,097.22-591,228.86-127,836.95

Finding the Fourth Proportional to 394,097.22, 591,228.86 and 127,836.95

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Solution

The fourth proportional to 394,097.22, 591,228.86 and 127,836.95 is: 191,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,097.22 : 591,228.86 = 127,836.95 : x
  2. Step 2: Convert to fraction form
    394,097.22/591,228.86 = 127,836.95/x
  3. Step 3: Cross multiply
    394,097.22x = 591,228.86 × 127,836.95
  4. Step 4: Simplify right side
    394,097.22x = 75,580,890,619.05
  5. Step 5: Solve for x
    x = 75,580,890,619.05/394,097.22
  6. Step 6: Final answer
    x = 191,782.35

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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.