Home / 218,454.24-327,725.16-68,732.28

Finding the Fourth Proportional to 218,454.24, 327,725.16 and 68,732.28

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Solution

The fourth proportional to 218,454.24, 327,725.16 and 68,732.28 is: 103,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,454.24 : 327,725.16 = 68,732.28 : x
  2. Step 2: Convert to fraction form
    218,454.24/327,725.16 = 68,732.28/x
  3. Step 3: Cross multiply
    218,454.24x = 327,725.16 × 68,732.28
  4. Step 4: Simplify right side
    218,454.24x = 22,525,297,460.16
  5. Step 5: Solve for x
    x = 22,525,297,460.16/218,454.24
  6. Step 6: Final answer
    x = 103,112.20

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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.