Home / 238,589.68-329,252.16-131,157.04

Finding the Fourth Proportional to 238,589.68, 329,252.16 and 131,157.04

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Solution

The fourth proportional to 238,589.68, 329,252.16 and 131,157.04 is: 180,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,589.68 : 329,252.16 = 131,157.04 : x
  2. Step 2: Convert to fraction form
    238,589.68/329,252.16 = 131,157.04/x
  3. Step 3: Cross multiply
    238,589.68x = 329,252.16 × 131,157.04
  4. Step 4: Simplify right side
    238,589.68x = 43,183,738,719.21
  5. Step 5: Solve for x
    x = 43,183,738,719.21/238,589.68
  6. Step 6: Final answer
    x = 180,995.84

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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.