Home / 321,723.44-443,845.28-185,660.85

Finding the Fourth Proportional to 321,723.44, 443,845.28 and 185,660.85

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Solution

The fourth proportional to 321,723.44, 443,845.28 and 185,660.85 is: 256,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,723.44 : 443,845.28 = 185,660.85 : x
  2. Step 2: Convert to fraction form
    321,723.44/443,845.28 = 185,660.85/x
  3. Step 3: Cross multiply
    321,723.44x = 443,845.28 × 185,660.85
  4. Step 4: Simplify right side
    321,723.44x = 82,404,691,024.98
  5. Step 5: Solve for x
    x = 82,404,691,024.98/321,723.44
  6. Step 6: Final answer
    x = 256,135.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.