Home / 198,200.16-273,507.48-113,322.78

Finding the Fourth Proportional to 198,200.16, 273,507.48 and 113,322.78

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Solution

The fourth proportional to 198,200.16, 273,507.48 and 113,322.78 is: 156,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,200.16 : 273,507.48 = 113,322.78 : x
  2. Step 2: Convert to fraction form
    198,200.16/273,507.48 = 113,322.78/x
  3. Step 3: Cross multiply
    198,200.16x = 273,507.48 × 113,322.78
  4. Step 4: Simplify right side
    198,200.16x = 30,994,627,984.39
  5. Step 5: Solve for x
    x = 30,994,627,984.39/198,200.16
  6. Step 6: Final answer
    x = 156,380.44

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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.