Home / 192,855.06-266,152.23-107,976.78

Finding the Fourth Proportional to 192,855.06, 266,152.23 and 107,976.78

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Solution

The fourth proportional to 192,855.06, 266,152.23 and 107,976.78 is: 149,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,855.06 : 266,152.23 = 107,976.78 : x
  2. Step 2: Convert to fraction form
    192,855.06/266,152.23 = 107,976.78/x
  3. Step 3: Cross multiply
    192,855.06x = 266,152.23 × 107,976.78
  4. Step 4: Simplify right side
    192,855.06x = 28,738,260,785.22
  5. Step 5: Solve for x
    x = 28,738,260,785.22/192,855.06
  6. Step 6: Final answer
    x = 149,014.81

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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.