Home / 238,724.78-329,433.62-131,294.84

Finding the Fourth Proportional to 238,724.78, 329,433.62 and 131,294.84

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Solution

The fourth proportional to 238,724.78, 329,433.62 and 131,294.84 is: 181,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,724.78 : 329,433.62 = 131,294.84 : x
  2. Step 2: Convert to fraction form
    238,724.78/329,433.62 = 131,294.84/x
  3. Step 3: Cross multiply
    238,724.78x = 329,433.62 × 131,294.84
  4. Step 4: Simplify right side
    238,724.78x = 43,252,932,124.88
  5. Step 5: Solve for x
    x = 43,252,932,124.88/238,724.78
  6. Step 6: Final answer
    x = 181,183.26

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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.