Home / 238,534.53-329,183.94-131,107.43

Finding the Fourth Proportional to 238,534.53, 329,183.94 and 131,107.43

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Solution

The fourth proportional to 238,534.53, 329,183.94 and 131,107.43 is: 180,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,534.53 : 329,183.94 = 131,107.43 : x
  2. Step 2: Convert to fraction form
    238,534.53/329,183.94 = 131,107.43/x
  3. Step 3: Cross multiply
    238,534.53x = 329,183.94 × 131,107.43
  4. Step 4: Simplify right side
    238,534.53x = 43,158,458,724.75
  5. Step 5: Solve for x
    x = 43,158,458,724.75/238,534.53
  6. Step 6: Final answer
    x = 180,931.70

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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.