Home / 218,433.27-327,693.66-68,711.25

Finding the Fourth Proportional to 218,433.27, 327,693.66 and 68,711.25

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Solution

The fourth proportional to 218,433.27, 327,693.66 and 68,711.25 is: 103,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,433.27 : 327,693.66 = 68,711.25 : x
  2. Step 2: Convert to fraction form
    218,433.27/327,693.66 = 68,711.25/x
  3. Step 3: Cross multiply
    218,433.27x = 327,693.66 × 68,711.25
  4. Step 4: Simplify right side
    218,433.27x = 22,516,240,995.68
  5. Step 5: Solve for x
    x = 22,516,240,995.68/218,433.27
  6. Step 6: Final answer
    x = 103,080.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.