Home / 98,185.97-147,287.41-27,108.61

Finding the Fourth Proportional to 98,185.97, 147,287.41 and 27,108.61

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Solution

The fourth proportional to 98,185.97, 147,287.41 and 27,108.61 is: 40,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,185.97 : 147,287.41 = 27,108.61 : x
  2. Step 2: Convert to fraction form
    98,185.97/147,287.41 = 27,108.61/x
  3. Step 3: Cross multiply
    98,185.97x = 147,287.41 × 27,108.61
  4. Step 4: Simplify right side
    98,185.97x = 3,992,756,519.61
  5. Step 5: Solve for x
    x = 3,992,756,519.61/98,185.97
  6. Step 6: Final answer
    x = 40,665.24

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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.