Home / 105,998.55-158,997.20-27,112.65

Finding the Fourth Proportional to 105,998.55, 158,997.20 and 27,112.65

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Solution

The fourth proportional to 105,998.55, 158,997.20 and 27,112.65 is: 40,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,998.55 : 158,997.20 = 27,112.65 : x
  2. Step 2: Convert to fraction form
    105,998.55/158,997.20 = 27,112.65/x
  3. Step 3: Cross multiply
    105,998.55x = 158,997.20 × 27,112.65
  4. Step 4: Simplify right side
    105,998.55x = 4,310,835,299.02
  5. Step 5: Solve for x
    x = 4,310,835,299.02/105,998.55
  6. Step 6: Final answer
    x = 40,668.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.