Home / 218,727.82-301,843.02-123,265.18

Finding the Fourth Proportional to 218,727.82, 301,843.02 and 123,265.18

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Solution

The fourth proportional to 218,727.82, 301,843.02 and 123,265.18 is: 170,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,727.82 : 301,843.02 = 123,265.18 : x
  2. Step 2: Convert to fraction form
    218,727.82/301,843.02 = 123,265.18/x
  3. Step 3: Cross multiply
    218,727.82x = 301,843.02 × 123,265.18
  4. Step 4: Simplify right side
    218,727.82x = 37,206,734,192.04
  5. Step 5: Solve for x
    x = 37,206,734,192.04/218,727.82
  6. Step 6: Final answer
    x = 170,105.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.