Home / 263,133.20-394,505.40-113,250.80

Finding the Fourth Proportional to 263,133.20, 394,505.40 and 113,250.80

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Solution

The fourth proportional to 263,133.20, 394,505.40 and 113,250.80 is: 169,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,133.20 : 394,505.40 = 113,250.80 : x
  2. Step 2: Convert to fraction form
    263,133.20/394,505.40 = 113,250.80/x
  3. Step 3: Cross multiply
    263,133.20x = 394,505.40 × 113,250.80
  4. Step 4: Simplify right side
    263,133.20x = 44,678,052,154.32
  5. Step 5: Solve for x
    x = 44,678,052,154.32/263,133.20
  6. Step 6: Final answer
    x = 169,792.53

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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.