Home / 204,219.11-281,829.56-113,578.90

Finding the Fourth Proportional to 204,219.11, 281,829.56 and 113,578.90

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Solution

The fourth proportional to 204,219.11, 281,829.56 and 113,578.90 is: 156,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,219.11 : 281,829.56 = 113,578.90 : x
  2. Step 2: Convert to fraction form
    204,219.11/281,829.56 = 113,578.90/x
  3. Step 3: Cross multiply
    204,219.11x = 281,829.56 × 113,578.90
  4. Step 4: Simplify right side
    204,219.11x = 32,009,891,412.28
  5. Step 5: Solve for x
    x = 32,009,891,412.28/204,219.11
  6. Step 6: Final answer
    x = 156,742.88

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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.