Home / 203,817.83-281,273.87-113,177.61

Finding the Fourth Proportional to 203,817.83, 281,273.87 and 113,177.61

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Solution

The fourth proportional to 203,817.83, 281,273.87 and 113,177.61 is: 156,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,817.83 : 281,273.87 = 113,177.61 : x
  2. Step 2: Convert to fraction form
    203,817.83/281,273.87 = 113,177.61/x
  3. Step 3: Cross multiply
    203,817.83x = 281,273.87 × 113,177.61
  4. Step 4: Simplify right side
    203,817.83x = 31,833,904,644.99
  5. Step 5: Solve for x
    x = 31,833,904,644.99/203,817.83
  6. Step 6: Final answer
    x = 156,188.03

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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.