Home / 321,127.97-481,575.66-107,832.08

Finding the Fourth Proportional to 321,127.97, 481,575.66 and 107,832.08

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Solution

The fourth proportional to 321,127.97, 481,575.66 and 107,832.08 is: 161,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,127.97 : 481,575.66 = 107,832.08 : x
  2. Step 2: Convert to fraction form
    321,127.97/481,575.66 = 107,832.08/x
  3. Step 3: Cross multiply
    321,127.97x = 481,575.66 × 107,832.08
  4. Step 4: Simplify right side
    321,127.97x = 51,929,302,687.29
  5. Step 5: Solve for x
    x = 51,929,302,687.29/321,127.97
  6. Step 6: Final answer
    x = 161,709.06

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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.