Home / 204,021.72-281,532.02-113,371.92

Finding the Fourth Proportional to 204,021.72, 281,532.02 and 113,371.92

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Solution

The fourth proportional to 204,021.72, 281,532.02 and 113,371.92 is: 156,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,021.72 : 281,532.02 = 113,371.92 : x
  2. Step 2: Convert to fraction form
    204,021.72/281,532.02 = 113,371.92/x
  3. Step 3: Cross multiply
    204,021.72x = 281,532.02 × 113,371.92
  4. Step 4: Simplify right side
    204,021.72x = 31,917,825,648.88
  5. Step 5: Solve for x
    x = 31,917,825,648.88/204,021.72
  6. Step 6: Final answer
    x = 156,443.27

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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.