Home / 203,836.38-281,284.80-113,198.16

Finding the Fourth Proportional to 203,836.38, 281,284.80 and 113,198.16

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Solution

The fourth proportional to 203,836.38, 281,284.80 and 113,198.16 is: 156,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,836.38 : 281,284.80 = 113,198.16 : x
  2. Step 2: Convert to fraction form
    203,836.38/281,284.80 = 113,198.16/x
  3. Step 3: Cross multiply
    203,836.38x = 281,284.80 × 113,198.16
  4. Step 4: Simplify right side
    203,836.38x = 31,840,921,795.97
  5. Step 5: Solve for x
    x = 31,840,921,795.97/203,836.38
  6. Step 6: Final answer
    x = 156,208.24

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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.