Home / 188,725.43-260,436.31-102,680.75

Finding the Fourth Proportional to 188,725.43, 260,436.31 and 102,680.75

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Solution

The fourth proportional to 188,725.43, 260,436.31 and 102,680.75 is: 141,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,725.43 : 260,436.31 = 102,680.75 : x
  2. Step 2: Convert to fraction form
    188,725.43/260,436.31 = 102,680.75/x
  3. Step 3: Cross multiply
    188,725.43x = 260,436.31 × 102,680.75
  4. Step 4: Simplify right side
    188,725.43x = 26,741,794,079.15
  5. Step 5: Solve for x
    x = 26,741,794,079.15/188,725.43
  6. Step 6: Final answer
    x = 141,696.83

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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.