Home / 238,977.81-329,801.22-131,546.70

Finding the Fourth Proportional to 238,977.81, 329,801.22 and 131,546.70

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Solution

The fourth proportional to 238,977.81, 329,801.22 and 131,546.70 is: 181,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,977.81 : 329,801.22 = 131,546.70 : x
  2. Step 2: Convert to fraction form
    238,977.81/329,801.22 = 131,546.70/x
  3. Step 3: Cross multiply
    238,977.81x = 329,801.22 × 131,546.70
  4. Step 4: Simplify right side
    238,977.81x = 43,384,262,146.97
  5. Step 5: Solve for x
    x = 43,384,262,146.97/238,977.81
  6. Step 6: Final answer
    x = 181,540.96

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1.5x scale

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.