Home / 192,965.08-266,288.70-108,081.88

Finding the Fourth Proportional to 192,965.08, 266,288.70 and 108,081.88

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Solution

The fourth proportional to 192,965.08, 266,288.70 and 108,081.88 is: 149,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,965.08 : 266,288.70 = 108,081.88 : x
  2. Step 2: Convert to fraction form
    192,965.08/266,288.70 = 108,081.88/x
  3. Step 3: Cross multiply
    192,965.08x = 266,288.70 × 108,081.88
  4. Step 4: Simplify right side
    192,965.08x = 28,780,983,318.76
  5. Step 5: Solve for x
    x = 28,780,983,318.76/192,965.08
  6. Step 6: Final answer
    x = 149,151.25

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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.