Home / 198,157.16-273,448.22-113,279.70

Finding the Fourth Proportional to 198,157.16, 273,448.22 and 113,279.70

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Solution

The fourth proportional to 198,157.16, 273,448.22 and 113,279.70 is: 156,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,157.16 : 273,448.22 = 113,279.70 : x
  2. Step 2: Convert to fraction form
    198,157.16/273,448.22 = 113,279.70/x
  3. Step 3: Cross multiply
    198,157.16x = 273,448.22 × 113,279.70
  4. Step 4: Simplify right side
    198,157.16x = 30,976,132,327.13
  5. Step 5: Solve for x
    x = 30,976,132,327.13/198,157.16
  6. Step 6: Final answer
    x = 156,321.03

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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.