Home / 192,997.89-266,336.91-108,115.56

Finding the Fourth Proportional to 192,997.89, 266,336.91 and 108,115.56

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Solution

The fourth proportional to 192,997.89, 266,336.91 and 108,115.56 is: 149,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,997.89 : 266,336.91 = 108,115.56 : x
  2. Step 2: Convert to fraction form
    192,997.89/266,336.91 = 108,115.56/x
  3. Step 3: Cross multiply
    192,997.89x = 266,336.91 × 108,115.56
  4. Step 4: Simplify right side
    192,997.89x = 28,795,164,173.32
  5. Step 5: Solve for x
    x = 28,795,164,173.32/192,997.89
  6. Step 6: Final answer
    x = 149,199.37

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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.