Home / 218,515.52-327,719.28-60,736.16

Finding the Fourth Proportional to 218,515.52, 327,719.28 and 60,736.16

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Solution

The fourth proportional to 218,515.52, 327,719.28 and 60,736.16 is: 91,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,515.52 : 327,719.28 = 60,736.16 : x
  2. Step 2: Convert to fraction form
    218,515.52/327,719.28 = 60,736.16/x
  3. Step 3: Cross multiply
    218,515.52x = 327,719.28 × 60,736.16
  4. Step 4: Simplify right side
    218,515.52x = 19,904,410,625.16
  5. Step 5: Solve for x
    x = 19,904,410,625.16/218,515.52
  6. Step 6: Final answer
    x = 91,089.23

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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.