Home / 281,622.38-422,438.97-92,083.46

Finding the Fourth Proportional to 281,622.38, 422,438.97 and 92,083.46

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Solution

The fourth proportional to 281,622.38, 422,438.97 and 92,083.46 is: 138,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,622.38 : 422,438.97 = 92,083.46 : x
  2. Step 2: Convert to fraction form
    281,622.38/422,438.97 = 92,083.46/x
  3. Step 3: Cross multiply
    281,622.38x = 422,438.97 × 92,083.46
  4. Step 4: Simplify right side
    281,622.38x = 38,899,641,996.44
  5. Step 5: Solve for x
    x = 38,899,641,996.44/281,622.38
  6. Step 6: Final answer
    x = 138,126.96

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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.