Home / 204,186.96-281,778.23-113,540.97

Finding the Fourth Proportional to 204,186.96, 281,778.23 and 113,540.97

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Solution

The fourth proportional to 204,186.96, 281,778.23 and 113,540.97 is: 156,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,186.96 : 281,778.23 = 113,540.97 : x
  2. Step 2: Convert to fraction form
    204,186.96/281,778.23 = 113,540.97/x
  3. Step 3: Cross multiply
    204,186.96x = 281,778.23 × 113,540.97
  4. Step 4: Simplify right side
    204,186.96x = 31,993,372,991.38
  5. Step 5: Solve for x
    x = 31,993,372,991.38/204,186.96
  6. Step 6: Final answer
    x = 156,686.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.