Home / 238,546.87-329,186.33-131,116.22

Finding the Fourth Proportional to 238,546.87, 329,186.33 and 131,116.22

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Solution

The fourth proportional to 238,546.87, 329,186.33 and 131,116.22 is: 180,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,546.87 : 329,186.33 = 131,116.22 : x
  2. Step 2: Convert to fraction form
    238,546.87/329,186.33 = 131,116.22/x
  3. Step 3: Cross multiply
    238,546.87x = 329,186.33 × 131,116.22
  4. Step 4: Simplify right side
    238,546.87x = 43,161,666,689.89
  5. Step 5: Solve for x
    x = 43,161,666,689.89/238,546.87
  6. Step 6: Final answer
    x = 180,935.79

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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.