Home / 197,658.44-272,770.78-107,016.28

Finding the Fourth Proportional to 197,658.44, 272,770.78 and 107,016.28

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Solution

The fourth proportional to 197,658.44, 272,770.78 and 107,016.28 is: 147,683.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,658.44 : 272,770.78 = 107,016.28 : x
  2. Step 2: Convert to fraction form
    197,658.44/272,770.78 = 107,016.28/x
  3. Step 3: Cross multiply
    197,658.44x = 272,770.78 × 107,016.28
  4. Step 4: Simplify right side
    197,658.44x = 29,190,914,168.30
  5. Step 5: Solve for x
    x = 29,190,914,168.30/197,658.44
  6. Step 6: Final answer
    x = 147,683.62

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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.