Home / 320,843.80-481,738.81-178,966.28

Finding the Fourth Proportional to 320,843.80, 481,738.81 and 178,966.28

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Solution

The fourth proportional to 320,843.80, 481,738.81 and 178,966.28 is: 268,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,843.80 : 481,738.81 = 178,966.28 : x
  2. Step 2: Convert to fraction form
    320,843.80/481,738.81 = 178,966.28/x
  3. Step 3: Cross multiply
    320,843.80x = 481,738.81 × 178,966.28
  4. Step 4: Simplify right side
    320,843.80x = 86,215,002,757.33
  5. Step 5: Solve for x
    x = 86,215,002,757.33/320,843.80
  6. Step 6: Final answer
    x = 268,713.32

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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.