Home / 281,667.20-422,456.60-92,126.04

Finding the Fourth Proportional to 281,667.20, 422,456.60 and 92,126.04

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Solution

The fourth proportional to 281,667.20, 422,456.60 and 92,126.04 is: 138,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,667.20 : 422,456.60 = 92,126.04 : x
  2. Step 2: Convert to fraction form
    281,667.20/422,456.60 = 92,126.04/x
  3. Step 3: Cross multiply
    281,667.20x = 422,456.60 × 92,126.04
  4. Step 4: Simplify right side
    281,667.20x = 38,919,253,629.86
  5. Step 5: Solve for x
    x = 38,919,253,629.86/281,667.20
  6. Step 6: Final answer
    x = 138,174.60

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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.