Home / 263,125.80-394,753.50-76,156.20

Finding the Fourth Proportional to 263,125.80, 394,753.50 and 76,156.20

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Solution

The fourth proportional to 263,125.80, 394,753.50 and 76,156.20 is: 114,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,125.80 : 394,753.50 = 76,156.20 : x
  2. Step 2: Convert to fraction form
    263,125.80/394,753.50 = 76,156.20/x
  3. Step 3: Cross multiply
    263,125.80x = 394,753.50 × 76,156.20
  4. Step 4: Simplify right side
    263,125.80x = 30,062,926,496.70
  5. Step 5: Solve for x
    x = 30,062,926,496.70/263,125.80
  6. Step 6: Final answer
    x = 114,253.05

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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.