Home / 394,181.64-591,366.60-127,942.92

Finding the Fourth Proportional to 394,181.64, 591,366.60 and 127,942.92

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Solution

The fourth proportional to 394,181.64, 591,366.60 and 127,942.92 is: 191,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,181.64 : 591,366.60 = 127,942.92 : x
  2. Step 2: Convert to fraction form
    394,181.64/591,366.60 = 127,942.92/x
  3. Step 3: Cross multiply
    394,181.64x = 591,366.60 × 127,942.92
  4. Step 4: Simplify right side
    394,181.64x = 75,661,169,594.47
  5. Step 5: Solve for x
    x = 75,661,169,594.47/394,181.64
  6. Step 6: Final answer
    x = 191,944.94

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1.5x scale

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.