Home / 394,182.64-591,368.10-127,943.92

Finding the Fourth Proportional to 394,182.64, 591,368.10 and 127,943.92

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Solution

The fourth proportional to 394,182.64, 591,368.10 and 127,943.92 is: 191,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,182.64 : 591,368.10 = 127,943.92 : x
  2. Step 2: Convert to fraction form
    394,182.64/591,368.10 = 127,943.92/x
  3. Step 3: Cross multiply
    394,182.64x = 591,368.10 × 127,943.92
  4. Step 4: Simplify right side
    394,182.64x = 75,661,952,876.95
  5. Step 5: Solve for x
    x = 75,661,952,876.95/394,182.64
  6. Step 6: Final answer
    x = 191,946.44

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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.