Home / 195,719.20-269,691.60-161,850.40

Finding the Fourth Proportional to 195,719.20, 269,691.60 and 161,850.40

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Solution

The fourth proportional to 195,719.20, 269,691.60 and 161,850.40 is: 223,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,719.20 : 269,691.60 = 161,850.40 : x
  2. Step 2: Convert to fraction form
    195,719.20/269,691.60 = 161,850.40/x
  3. Step 3: Cross multiply
    195,719.20x = 269,691.60 × 161,850.40
  4. Step 4: Simplify right side
    195,719.20x = 43,649,693,336.64
  5. Step 5: Solve for x
    x = 43,649,693,336.64/195,719.20
  6. Step 6: Final answer
    x = 223,022.03

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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.