Home / 168,696.20-253,168.88-79,949.97

Finding the Fourth Proportional to 168,696.20, 253,168.88 and 79,949.97

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Solution

The fourth proportional to 168,696.20, 253,168.88 and 79,949.97 is: 119,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,696.20 : 253,168.88 = 79,949.97 : x
  2. Step 2: Convert to fraction form
    168,696.20/253,168.88 = 79,949.97/x
  3. Step 3: Cross multiply
    168,696.20x = 253,168.88 × 79,949.97
  4. Step 4: Simplify right side
    168,696.20x = 20,240,843,961.18
  5. Step 5: Solve for x
    x = 20,240,843,961.18/168,696.20
  6. Step 6: Final answer
    x = 119,983.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.