Home / 204,324.39-281,960.56-112,435.09

Finding the Fourth Proportional to 204,324.39, 281,960.56 and 112,435.09

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Solution

The fourth proportional to 204,324.39, 281,960.56 and 112,435.09 is: 155,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,324.39 : 281,960.56 = 112,435.09 : x
  2. Step 2: Convert to fraction form
    204,324.39/281,960.56 = 112,435.09/x
  3. Step 3: Cross multiply
    204,324.39x = 281,960.56 × 112,435.09
  4. Step 4: Simplify right side
    204,324.39x = 31,702,260,375.69
  5. Step 5: Solve for x
    x = 31,702,260,375.69/204,324.39
  6. Step 6: Final answer
    x = 155,156.52

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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.