Home / 203,861.14-281,337.78-113,217.50

Finding the Fourth Proportional to 203,861.14, 281,337.78 and 113,217.50

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Solution

The fourth proportional to 203,861.14, 281,337.78 and 113,217.50 is: 156,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,861.14 : 281,337.78 = 113,217.50 : x
  2. Step 2: Convert to fraction form
    203,861.14/281,337.78 = 113,217.50/x
  3. Step 3: Cross multiply
    203,861.14x = 281,337.78 × 113,217.50
  4. Step 4: Simplify right side
    203,861.14x = 31,852,360,107.15
  5. Step 5: Solve for x
    x = 31,852,360,107.15/203,861.14
  6. Step 6: Final answer
    x = 156,245.37

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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.