Home / 203,885.46-281,362.62-113,241.42

Finding the Fourth Proportional to 203,885.46, 281,362.62 and 113,241.42

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Solution

The fourth proportional to 203,885.46, 281,362.62 and 113,241.42 is: 156,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,885.46 : 281,362.62 = 113,241.42 : x
  2. Step 2: Convert to fraction form
    203,885.46/281,362.62 = 113,241.42/x
  3. Step 3: Cross multiply
    203,885.46x = 281,362.62 × 113,241.42
  4. Step 4: Simplify right side
    203,885.46x = 31,861,902,623.72
  5. Step 5: Solve for x
    x = 31,861,902,623.72/203,885.46
  6. Step 6: Final answer
    x = 156,273.54

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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.