Home / 197,847.18-273,016.20-126,219.52

Finding the Fourth Proportional to 197,847.18, 273,016.20 and 126,219.52

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Solution

The fourth proportional to 197,847.18, 273,016.20 and 126,219.52 is: 174,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,847.18 : 273,016.20 = 126,219.52 : x
  2. Step 2: Convert to fraction form
    197,847.18/273,016.20 = 126,219.52/x
  3. Step 3: Cross multiply
    197,847.18x = 273,016.20 × 126,219.52
  4. Step 4: Simplify right side
    197,847.18x = 34,459,971,930.12
  5. Step 5: Solve for x
    x = 34,459,971,930.12/197,847.18
  6. Step 6: Final answer
    x = 174,174.69

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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.