Home / 192,821.70-266,091.03-107,941.80

Finding the Fourth Proportional to 192,821.70, 266,091.03 and 107,941.80

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Solution

The fourth proportional to 192,821.70, 266,091.03 and 107,941.80 is: 148,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,821.70 : 266,091.03 = 107,941.80 : x
  2. Step 2: Convert to fraction form
    192,821.70/266,091.03 = 107,941.80/x
  3. Step 3: Cross multiply
    192,821.70x = 266,091.03 × 107,941.80
  4. Step 4: Simplify right side
    192,821.70x = 28,722,344,742.05
  5. Step 5: Solve for x
    x = 28,722,344,742.05/192,821.70
  6. Step 6: Final answer
    x = 148,958.05

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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.