Home / 197,245.28-272,198.56-106,600.96

Finding the Fourth Proportional to 197,245.28, 272,198.56 and 106,600.96

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Solution

The fourth proportional to 197,245.28, 272,198.56 and 106,600.96 is: 147,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,245.28 : 272,198.56 = 106,600.96 : x
  2. Step 2: Convert to fraction form
    197,245.28/272,198.56 = 106,600.96/x
  3. Step 3: Cross multiply
    197,245.28x = 272,198.56 × 106,600.96
  4. Step 4: Simplify right side
    197,245.28x = 29,016,627,806.62
  5. Step 5: Solve for x
    x = 29,016,627,806.62/197,245.28
  6. Step 6: Final answer
    x = 147,109.36

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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.