Home / 218,386.46-327,581.51-68,623.44

Finding the Fourth Proportional to 218,386.46, 327,581.51 and 68,623.44

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Solution

The fourth proportional to 218,386.46, 327,581.51 and 68,623.44 is: 102,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,386.46 : 327,581.51 = 68,623.44 : x
  2. Step 2: Convert to fraction form
    218,386.46/327,581.51 = 68,623.44/x
  3. Step 3: Cross multiply
    218,386.46x = 327,581.51 × 68,623.44
  4. Step 4: Simplify right side
    218,386.46x = 22,479,770,096.59
  5. Step 5: Solve for x
    x = 22,479,770,096.59/218,386.46
  6. Step 6: Final answer
    x = 102,935.73

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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.