Home / 204,149.96-281,736.32-113,515.24

Finding the Fourth Proportional to 204,149.96, 281,736.32 and 113,515.24

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Solution

The fourth proportional to 204,149.96, 281,736.32 and 113,515.24 is: 156,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,149.96 : 281,736.32 = 113,515.24 : x
  2. Step 2: Convert to fraction form
    204,149.96/281,736.32 = 113,515.24/x
  3. Step 3: Cross multiply
    204,149.96x = 281,736.32 × 113,515.24
  4. Step 4: Simplify right side
    204,149.96x = 31,981,365,981.52
  5. Step 5: Solve for x
    x = 31,981,365,981.52/204,149.96
  6. Step 6: Final answer
    x = 156,656.24

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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.