Home / 238,610.50-329,274.09-131,179.75

Finding the Fourth Proportional to 238,610.50, 329,274.09 and 131,179.75

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Solution

The fourth proportional to 238,610.50, 329,274.09 and 131,179.75 is: 181,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,610.50 : 329,274.09 = 131,179.75 : x
  2. Step 2: Convert to fraction form
    238,610.50/329,274.09 = 131,179.75/x
  3. Step 3: Cross multiply
    238,610.50x = 329,274.09 × 131,179.75
  4. Step 4: Simplify right side
    238,610.50x = 43,194,091,984.49
  5. Step 5: Solve for x
    x = 43,194,091,984.49/238,610.50
  6. Step 6: Final answer
    x = 181,023.44

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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.