Home / 281,589.46-422,385.62-71,227.60

Finding the Fourth Proportional to 281,589.46, 422,385.62 and 71,227.60

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Solution

The fourth proportional to 281,589.46, 422,385.62 and 71,227.60 is: 106,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,589.46 : 422,385.62 = 71,227.60 : x
  2. Step 2: Convert to fraction form
    281,589.46/422,385.62 = 71,227.60/x
  3. Step 3: Cross multiply
    281,589.46x = 422,385.62 × 71,227.60
  4. Step 4: Simplify right side
    281,589.46x = 30,085,512,575.01
  5. Step 5: Solve for x
    x = 30,085,512,575.01/281,589.46
  6. Step 6: Final answer
    x = 106,841.76

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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.