Home / 238,608.25-329,270.99-131,177.50

Finding the Fourth Proportional to 238,608.25, 329,270.99 and 131,177.50

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Solution

The fourth proportional to 238,608.25, 329,270.99 and 131,177.50 is: 181,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,608.25 : 329,270.99 = 131,177.50 : x
  2. Step 2: Convert to fraction form
    238,608.25/329,270.99 = 131,177.50/x
  3. Step 3: Cross multiply
    238,608.25x = 329,270.99 × 131,177.50
  4. Step 4: Simplify right side
    238,608.25x = 43,192,943,811.66
  5. Step 5: Solve for x
    x = 43,192,943,811.66/238,608.25
  6. Step 6: Final answer
    x = 181,020.33

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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.