Home / 197,568.38-272,648.68-108,144.38

Finding the Fourth Proportional to 197,568.38, 272,648.68 and 108,144.38

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Solution

The fourth proportional to 197,568.38, 272,648.68 and 108,144.38 is: 149,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,568.38 : 272,648.68 = 108,144.38 : x
  2. Step 2: Convert to fraction form
    197,568.38/272,648.68 = 108,144.38/x
  3. Step 3: Cross multiply
    197,568.38x = 272,648.68 × 108,144.38
  4. Step 4: Simplify right side
    197,568.38x = 29,485,420,822.81
  5. Step 5: Solve for x
    x = 29,485,420,822.81/197,568.38
  6. Step 6: Final answer
    x = 149,241.60

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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.