Home / 203,747.05-281,174.05-113,108.86

Finding the Fourth Proportional to 203,747.05, 281,174.05 and 113,108.86

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Solution

The fourth proportional to 203,747.05, 281,174.05 and 113,108.86 is: 156,091.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,747.05 : 281,174.05 = 113,108.86 : x
  2. Step 2: Convert to fraction form
    203,747.05/281,174.05 = 113,108.86/x
  3. Step 3: Cross multiply
    203,747.05x = 281,174.05 × 113,108.86
  4. Step 4: Simplify right side
    203,747.05x = 31,803,276,257.08
  5. Step 5: Solve for x
    x = 31,803,276,257.08/203,747.05
  6. Step 6: Final answer
    x = 156,091.96

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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.