Home / 281,612.24-422,512.68-92,081.36

Finding the Fourth Proportional to 281,612.24, 422,512.68 and 92,081.36

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Solution

The fourth proportional to 281,612.24, 422,512.68 and 92,081.36 is: 138,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,612.24 : 422,512.68 = 92,081.36 : x
  2. Step 2: Convert to fraction form
    281,612.24/422,512.68 = 92,081.36/x
  3. Step 3: Cross multiply
    281,612.24x = 422,512.68 × 92,081.36
  4. Step 4: Simplify right side
    281,612.24x = 38,905,540,957.62
  5. Step 5: Solve for x
    x = 38,905,540,957.62/281,612.24
  6. Step 6: Final answer
    x = 138,152.87

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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.