Home / 238,986.28-329,800.96-131,555.75

Finding the Fourth Proportional to 238,986.28, 329,800.96 and 131,555.75

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Solution

The fourth proportional to 238,986.28, 329,800.96 and 131,555.75 is: 181,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,986.28 : 329,800.96 = 131,555.75 : x
  2. Step 2: Convert to fraction form
    238,986.28/329,800.96 = 131,555.75/x
  3. Step 3: Cross multiply
    238,986.28x = 329,800.96 × 131,555.75
  4. Step 4: Simplify right side
    238,986.28x = 43,387,212,643.52
  5. Step 5: Solve for x
    x = 43,387,212,643.52/238,986.28
  6. Step 6: Final answer
    x = 181,546.88

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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.