Home / 206,979.64-311,852.57-187,012.33

Finding the Fourth Proportional to 206,979.64, 311,852.57 and 187,012.33

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Solution

The fourth proportional to 206,979.64, 311,852.57 and 187,012.33 is: 281,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,979.64 : 311,852.57 = 187,012.33 : x
  2. Step 2: Convert to fraction form
    206,979.64/311,852.57 = 187,012.33/x
  3. Step 3: Cross multiply
    206,979.64x = 311,852.57 × 187,012.33
  4. Step 4: Simplify right side
    206,979.64x = 58,320,275,732.19
  5. Step 5: Solve for x
    x = 58,320,275,732.19/206,979.64
  6. Step 6: Final answer
    x = 281,768.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.