Home / 192,965.73-266,293.47-108,082.80

Finding the Fourth Proportional to 192,965.73, 266,293.47 and 108,082.80

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Solution

The fourth proportional to 192,965.73, 266,293.47 and 108,082.80 is: 149,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,965.73 : 266,293.47 = 108,082.80 : x
  2. Step 2: Convert to fraction form
    192,965.73/266,293.47 = 108,082.80/x
  3. Step 3: Cross multiply
    192,965.73x = 266,293.47 × 108,082.80
  4. Step 4: Simplify right side
    192,965.73x = 28,781,743,859.32
  5. Step 5: Solve for x
    x = 28,781,743,859.32/192,965.73
  6. Step 6: Final answer
    x = 149,154.69

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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.