Home / 218,083.46-327,042.16-143,183.57

Finding the Fourth Proportional to 218,083.46, 327,042.16 and 143,183.57

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Solution

The fourth proportional to 218,083.46, 327,042.16 and 143,183.57 is: 214,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,083.46 : 327,042.16 = 143,183.57 : x
  2. Step 2: Convert to fraction form
    218,083.46/327,042.16 = 143,183.57/x
  3. Step 3: Cross multiply
    218,083.46x = 327,042.16 × 143,183.57
  4. Step 4: Simplify right side
    218,083.46x = 46,827,062,016.14
  5. Step 5: Solve for x
    x = 46,827,062,016.14/218,083.46
  6. Step 6: Final answer
    x = 214,720.84

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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.