Home / 320,843.96-481,739.05-178,966.43

Finding the Fourth Proportional to 320,843.96, 481,739.05 and 178,966.43

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Solution

The fourth proportional to 320,843.96, 481,739.05 and 178,966.43 is: 268,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,843.96 : 481,739.05 = 178,966.43 : x
  2. Step 2: Convert to fraction form
    320,843.96/481,739.05 = 178,966.43/x
  3. Step 3: Cross multiply
    320,843.96x = 481,739.05 × 178,966.43
  4. Step 4: Simplify right side
    320,843.96x = 86,215,118,279.61
  5. Step 5: Solve for x
    x = 86,215,118,279.61/320,843.96
  6. Step 6: Final answer
    x = 268,713.55

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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.