Home / 199,338.98-275,077.67-108,694.20

Finding the Fourth Proportional to 199,338.98, 275,077.67 and 108,694.20

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Solution

The fourth proportional to 199,338.98, 275,077.67 and 108,694.20 is: 149,992.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,338.98 : 275,077.67 = 108,694.20 : x
  2. Step 2: Convert to fraction form
    199,338.98/275,077.67 = 108,694.20/x
  3. Step 3: Cross multiply
    199,338.98x = 275,077.67 × 108,694.20
  4. Step 4: Simplify right side
    199,338.98x = 29,899,348,377.99
  5. Step 5: Solve for x
    x = 29,899,348,377.99/199,338.98
  6. Step 6: Final answer
    x = 149,992.49

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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.