Home / 203,865.68-281,325.06-113,227.50

Finding the Fourth Proportional to 203,865.68, 281,325.06 and 113,227.50

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Solution

The fourth proportional to 203,865.68, 281,325.06 and 113,227.50 is: 156,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,865.68 : 281,325.06 = 113,227.50 : x
  2. Step 2: Convert to fraction form
    203,865.68/281,325.06 = 113,227.50/x
  3. Step 3: Cross multiply
    203,865.68x = 281,325.06 × 113,227.50
  4. Step 4: Simplify right side
    203,865.68x = 31,853,733,231.15
  5. Step 5: Solve for x
    x = 31,853,733,231.15/203,865.68
  6. Step 6: Final answer
    x = 156,248.63

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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.