Home / 263,402.20-394,908.90-113,519.80

Finding the Fourth Proportional to 263,402.20, 394,908.90 and 113,519.80

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Solution

The fourth proportional to 263,402.20, 394,908.90 and 113,519.80 is: 170,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,402.20 : 394,908.90 = 113,519.80 : x
  2. Step 2: Convert to fraction form
    263,402.20/394,908.90 = 113,519.80/x
  3. Step 3: Cross multiply
    263,402.20x = 394,908.90 × 113,519.80
  4. Step 4: Simplify right side
    263,402.20x = 44,829,979,346.22
  5. Step 5: Solve for x
    x = 44,829,979,346.22/263,402.20
  6. Step 6: Final answer
    x = 170,195.92

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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.