Home / 204,778.82-307,147.46-54,999.64

Finding the Fourth Proportional to 204,778.82, 307,147.46 and 54,999.64

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Solution

The fourth proportional to 204,778.82, 307,147.46 and 54,999.64 is: 82,493.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,778.82 : 307,147.46 = 54,999.64 : x
  2. Step 2: Convert to fraction form
    204,778.82/307,147.46 = 54,999.64/x
  3. Step 3: Cross multiply
    204,778.82x = 307,147.46 × 54,999.64
  4. Step 4: Simplify right side
    204,778.82x = 16,892,999,726.91
  5. Step 5: Solve for x
    x = 16,892,999,726.91/204,778.82
  6. Step 6: Final answer
    x = 82,493.88

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1.5x scale

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.