Home / 203,824.38-281,268.25-113,186.13

Finding the Fourth Proportional to 203,824.38, 281,268.25 and 113,186.13

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Solution

The fourth proportional to 203,824.38, 281,268.25 and 113,186.13 is: 156,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,824.38 : 281,268.25 = 113,186.13 : x
  2. Step 2: Convert to fraction form
    203,824.38/281,268.25 = 113,186.13/x
  3. Step 3: Cross multiply
    203,824.38x = 281,268.25 × 113,186.13
  4. Step 4: Simplify right side
    203,824.38x = 31,835,665,744.85
  5. Step 5: Solve for x
    x = 31,835,665,744.85/203,824.38
  6. Step 6: Final answer
    x = 156,191.65

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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.