Home / 198,189.46-273,501.57-113,308.30

Finding the Fourth Proportional to 198,189.46, 273,501.57 and 113,308.30

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Solution

The fourth proportional to 198,189.46, 273,501.57 and 113,308.30 is: 156,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,189.46 : 273,501.57 = 113,308.30 : x
  2. Step 2: Convert to fraction form
    198,189.46/273,501.57 = 113,308.30/x
  3. Step 3: Cross multiply
    198,189.46x = 273,501.57 × 113,308.30
  4. Step 4: Simplify right side
    198,189.46x = 30,989,997,944.03
  5. Step 5: Solve for x
    x = 30,989,997,944.03/198,189.46
  6. Step 6: Final answer
    x = 156,365.52

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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.