Home / 238,694.48-329,305.15-136,665.41

Finding the Fourth Proportional to 238,694.48, 329,305.15 and 136,665.41

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Solution

The fourth proportional to 238,694.48, 329,305.15 and 136,665.41 is: 188,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,694.48 : 329,305.15 = 136,665.41 : x
  2. Step 2: Convert to fraction form
    238,694.48/329,305.15 = 136,665.41/x
  3. Step 3: Cross multiply
    238,694.48x = 329,305.15 × 136,665.41
  4. Step 4: Simplify right side
    238,694.48x = 45,004,621,010.01
  5. Step 5: Solve for x
    x = 45,004,621,010.01/238,694.48
  6. Step 6: Final answer
    x = 188,544.88

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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.