Home / 204,257.70-281,883.65-123,639.62

Finding the Fourth Proportional to 204,257.70, 281,883.65 and 123,639.62

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Solution

The fourth proportional to 204,257.70, 281,883.65 and 123,639.62 is: 170,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,257.70 : 281,883.65 = 123,639.62 : x
  2. Step 2: Convert to fraction form
    204,257.70/281,883.65 = 123,639.62/x
  3. Step 3: Cross multiply
    204,257.70x = 281,883.65 × 123,639.62
  4. Step 4: Simplify right side
    204,257.70x = 34,851,985,342.60
  5. Step 5: Solve for x
    x = 34,851,985,342.60/204,257.70
  6. Step 6: Final answer
    x = 170,627.52

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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.