Home / 394,152.24-591,136.20-127,844.40

Finding the Fourth Proportional to 394,152.24, 591,136.20 and 127,844.40

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Solution

The fourth proportional to 394,152.24, 591,136.20 and 127,844.40 is: 191,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,152.24 : 591,136.20 = 127,844.40 : x
  2. Step 2: Convert to fraction form
    394,152.24/591,136.20 = 127,844.40/x
  3. Step 3: Cross multiply
    394,152.24x = 591,136.20 × 127,844.40
  4. Step 4: Simplify right side
    394,152.24x = 75,573,452,807.28
  5. Step 5: Solve for x
    x = 75,573,452,807.28/394,152.24
  6. Step 6: Final answer
    x = 191,736.71

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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.