Home / 192,769.28-266,022.96-107,894.24

Finding the Fourth Proportional to 192,769.28, 266,022.96 and 107,894.24

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Solution

The fourth proportional to 192,769.28, 266,022.96 and 107,894.24 is: 148,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,769.28 : 266,022.96 = 107,894.24 : x
  2. Step 2: Convert to fraction form
    192,769.28/266,022.96 = 107,894.24/x
  3. Step 3: Cross multiply
    192,769.28x = 266,022.96 × 107,894.24
  4. Step 4: Simplify right side
    192,769.28x = 28,702,345,091.75
  5. Step 5: Solve for x
    x = 28,702,345,091.75/192,769.28
  6. Step 6: Final answer
    x = 148,894.81

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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.