Home / 281,664.20-422,452.10-92,123.04

Finding the Fourth Proportional to 281,664.20, 422,452.10 and 92,123.04

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Solution

The fourth proportional to 281,664.20, 422,452.10 and 92,123.04 is: 138,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,664.20 : 422,452.10 = 92,123.04 : x
  2. Step 2: Convert to fraction form
    281,664.20/422,452.10 = 92,123.04/x
  3. Step 3: Cross multiply
    281,664.20x = 422,452.10 × 92,123.04
  4. Step 4: Simplify right side
    281,664.20x = 38,917,571,706.38
  5. Step 5: Solve for x
    x = 38,917,571,706.38/281,664.20
  6. Step 6: Final answer
    x = 138,170.10

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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.