Home / 235,105.43-324,544.79-158,727.96

Finding the Fourth Proportional to 235,105.43, 324,544.79 and 158,727.96

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Solution

The fourth proportional to 235,105.43, 324,544.79 and 158,727.96 is: 219,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,105.43 : 324,544.79 = 158,727.96 : x
  2. Step 2: Convert to fraction form
    235,105.43/324,544.79 = 158,727.96/x
  3. Step 3: Cross multiply
    235,105.43x = 324,544.79 × 158,727.96
  4. Step 4: Simplify right side
    235,105.43x = 51,514,332,842.15
  5. Step 5: Solve for x
    x = 51,514,332,842.15/235,105.43
  6. Step 6: Final answer
    x = 219,111.63

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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.