Home / 204,020.71-281,555.66-113,380.49

Finding the Fourth Proportional to 204,020.71, 281,555.66 and 113,380.49

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Solution

The fourth proportional to 204,020.71, 281,555.66 and 113,380.49 is: 156,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,020.71 : 281,555.66 = 113,380.49 : x
  2. Step 2: Convert to fraction form
    204,020.71/281,555.66 = 113,380.49/x
  3. Step 3: Cross multiply
    204,020.71x = 281,555.66 × 113,380.49
  4. Step 4: Simplify right side
    204,020.71x = 31,922,919,680.41
  5. Step 5: Solve for x
    x = 31,922,919,680.41/204,020.71
  6. Step 6: Final answer
    x = 156,469.02

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1.5x scale

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.