Home / 218,395.23-327,594.66-68,632.17

Finding the Fourth Proportional to 218,395.23, 327,594.66 and 68,632.17

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Solution

The fourth proportional to 218,395.23, 327,594.66 and 68,632.17 is: 102,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,395.23 : 327,594.66 = 68,632.17 : x
  2. Step 2: Convert to fraction form
    218,395.23/327,594.66 = 68,632.17/x
  3. Step 3: Cross multiply
    218,395.23x = 327,594.66 × 68,632.17
  4. Step 4: Simplify right side
    218,395.23x = 22,483,532,396.21
  5. Step 5: Solve for x
    x = 22,483,532,396.21/218,395.23
  6. Step 6: Final answer
    x = 102,948.83

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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.