Home / 188,003.32-281,629-113,082.12

Finding the Fourth Proportional to 188,003.32, 281,629 and 113,082.12

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Solution

The fourth proportional to 188,003.32, 281,629 and 113,082.12 is: 169,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,003.32 : 281,629 = 113,082.12 : x
  2. Step 2: Convert to fraction form
    188,003.32/281,629 = 113,082.12/x
  3. Step 3: Cross multiply
    188,003.32x = 281,629 × 113,082.12
  4. Step 4: Simplify right side
    188,003.32x = 31,847,204,373.48
  5. Step 5: Solve for x
    x = 31,847,204,373.48/188,003.32
  6. Step 6: Final answer
    x = 169,397.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.