Home / 192,769.20-266,021.46-107,886.26

Finding the Fourth Proportional to 192,769.20, 266,021.46 and 107,886.26

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Solution

The fourth proportional to 192,769.20, 266,021.46 and 107,886.26 is: 148,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,769.20 : 266,021.46 = 107,886.26 : x
  2. Step 2: Convert to fraction form
    192,769.20/266,021.46 = 107,886.26/x
  3. Step 3: Cross multiply
    192,769.20x = 266,021.46 × 107,886.26
  4. Step 4: Simplify right side
    192,769.20x = 28,700,061,064.19
  5. Step 5: Solve for x
    x = 28,700,061,064.19/192,769.20
  6. Step 6: Final answer
    x = 148,883.02

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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.