Home / 204,188.40-281,780.24-113,543.36

Finding the Fourth Proportional to 204,188.40, 281,780.24 and 113,543.36

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Solution

The fourth proportional to 204,188.40, 281,780.24 and 113,543.36 is: 156,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,188.40 : 281,780.24 = 113,543.36 : x
  2. Step 2: Convert to fraction form
    204,188.40/281,780.24 = 113,543.36/x
  3. Step 3: Cross multiply
    204,188.40x = 281,780.24 × 113,543.36
  4. Step 4: Simplify right side
    204,188.40x = 31,994,275,231.21
  5. Step 5: Solve for x
    x = 31,994,275,231.21/204,188.40
  6. Step 6: Final answer
    x = 156,689.97

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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.