Home / 204,936.22-307,542.48-71,817.70

Finding the Fourth Proportional to 204,936.22, 307,542.48 and 71,817.70

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Solution

The fourth proportional to 204,936.22, 307,542.48 and 71,817.70 is: 107,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,936.22 : 307,542.48 = 71,817.70 : x
  2. Step 2: Convert to fraction form
    204,936.22/307,542.48 = 71,817.70/x
  3. Step 3: Cross multiply
    204,936.22x = 307,542.48 × 71,817.70
  4. Step 4: Simplify right side
    204,936.22x = 22,086,993,565.90
  5. Step 5: Solve for x
    x = 22,086,993,565.90/204,936.22
  6. Step 6: Final answer
    x = 107,774.96

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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.