Home / 203,833.82-281,281.22-113,195.54

Finding the Fourth Proportional to 203,833.82, 281,281.22 and 113,195.54

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Solution

The fourth proportional to 203,833.82, 281,281.22 and 113,195.54 is: 156,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,833.82 : 281,281.22 = 113,195.54 : x
  2. Step 2: Convert to fraction form
    203,833.82/281,281.22 = 113,195.54/x
  3. Step 3: Cross multiply
    203,833.82x = 281,281.22 × 113,195.54
  4. Step 4: Simplify right side
    203,833.82x = 31,839,779,023.78
  5. Step 5: Solve for x
    x = 31,839,779,023.78/203,833.82
  6. Step 6: Final answer
    x = 156,204.59

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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.