Home / 198,099.54-273,372.03-120,546.09

Finding the Fourth Proportional to 198,099.54, 273,372.03 and 120,546.09

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Solution

The fourth proportional to 198,099.54, 273,372.03 and 120,546.09 is: 166,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,099.54 : 273,372.03 = 120,546.09 : x
  2. Step 2: Convert to fraction form
    198,099.54/273,372.03 = 120,546.09/x
  3. Step 3: Cross multiply
    198,099.54x = 273,372.03 × 120,546.09
  4. Step 4: Simplify right side
    198,099.54x = 32,953,929,331.86
  5. Step 5: Solve for x
    x = 32,953,929,331.86/198,099.54
  6. Step 6: Final answer
    x = 166,350.36

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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.