Home / 204,112.90-281,680.50-113,465.40

Finding the Fourth Proportional to 204,112.90, 281,680.50 and 113,465.40

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Solution

The fourth proportional to 204,112.90, 281,680.50 and 113,465.40 is: 156,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,112.90 : 281,680.50 = 113,465.40 : x
  2. Step 2: Convert to fraction form
    204,112.90/281,680.50 = 113,465.40/x
  3. Step 3: Cross multiply
    204,112.90x = 281,680.50 × 113,465.40
  4. Step 4: Simplify right side
    204,112.90x = 31,960,990,604.70
  5. Step 5: Solve for x
    x = 31,960,990,604.70/204,112.90
  6. Step 6: Final answer
    x = 156,584.86

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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.