Home / 203,835.92-281,284.16-113,197.66

Finding the Fourth Proportional to 203,835.92, 281,284.16 and 113,197.66

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Solution

The fourth proportional to 203,835.92, 281,284.16 and 113,197.66 is: 156,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,835.92 : 281,284.16 = 113,197.66 : x
  2. Step 2: Convert to fraction form
    203,835.92/281,284.16 = 113,197.66/x
  3. Step 3: Cross multiply
    203,835.92x = 281,284.16 × 113,197.66
  4. Step 4: Simplify right side
    203,835.92x = 31,840,707,437.87
  5. Step 5: Solve for x
    x = 31,840,707,437.87/203,835.92
  6. Step 6: Final answer
    x = 156,207.54

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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.