Home / 238,694.22-329,406.48-131,272.56

Finding the Fourth Proportional to 238,694.22, 329,406.48 and 131,272.56

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Solution

The fourth proportional to 238,694.22, 329,406.48 and 131,272.56 is: 181,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,694.22 : 329,406.48 = 131,272.56 : x
  2. Step 2: Convert to fraction form
    238,694.22/329,406.48 = 131,272.56/x
  3. Step 3: Cross multiply
    238,694.22x = 329,406.48 × 131,272.56
  4. Step 4: Simplify right side
    238,694.22x = 43,242,031,910.19
  5. Step 5: Solve for x
    x = 43,242,031,910.19/238,694.22
  6. Step 6: Final answer
    x = 181,160.78

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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.