Home / 204,002.82-281,443.20-117,945.90

Finding the Fourth Proportional to 204,002.82, 281,443.20 and 117,945.90

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Solution

The fourth proportional to 204,002.82, 281,443.20 and 117,945.90 is: 162,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,002.82 : 281,443.20 = 117,945.90 : x
  2. Step 2: Convert to fraction form
    204,002.82/281,443.20 = 117,945.90/x
  3. Step 3: Cross multiply
    204,002.82x = 281,443.20 × 117,945.90
  4. Step 4: Simplify right side
    204,002.82x = 33,195,071,522.88
  5. Step 5: Solve for x
    x = 33,195,071,522.88/204,002.82
  6. Step 6: Final answer
    x = 162,718.69

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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.