Home / 189,769.96-261,879.78-114,360.04

Finding the Fourth Proportional to 189,769.96, 261,879.78 and 114,360.04

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Solution

The fourth proportional to 189,769.96, 261,879.78 and 114,360.04 is: 157,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,769.96 : 261,879.78 = 114,360.04 : x
  2. Step 2: Convert to fraction form
    189,769.96/261,879.78 = 114,360.04/x
  3. Step 3: Cross multiply
    189,769.96x = 261,879.78 × 114,360.04
  4. Step 4: Simplify right side
    189,769.96x = 29,948,582,115.99
  5. Step 5: Solve for x
    x = 29,948,582,115.99/189,769.96
  6. Step 6: Final answer
    x = 157,815.19

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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.