Home / 204,128.97-281,682.02-113,479.41

Finding the Fourth Proportional to 204,128.97, 281,682.02 and 113,479.41

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Solution

The fourth proportional to 204,128.97, 281,682.02 and 113,479.41 is: 156,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,128.97 : 281,682.02 = 113,479.41 : x
  2. Step 2: Convert to fraction form
    204,128.97/281,682.02 = 113,479.41/x
  3. Step 3: Cross multiply
    204,128.97x = 281,682.02 × 113,479.41
  4. Step 4: Simplify right side
    204,128.97x = 31,965,109,437.21
  5. Step 5: Solve for x
    x = 31,965,109,437.21/204,128.97
  6. Step 6: Final answer
    x = 156,592.72

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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.