Home / 236,010.92-353,939.82-78,197

Finding the Fourth Proportional to 236,010.92, 353,939.82 and 78,197

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Solution

The fourth proportional to 236,010.92, 353,939.82 and 78,197 is: 117,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,010.92 : 353,939.82 = 78,197 : x
  2. Step 2: Convert to fraction form
    236,010.92/353,939.82 = 78,197/x
  3. Step 3: Cross multiply
    236,010.92x = 353,939.82 × 78,197
  4. Step 4: Simplify right side
    236,010.92x = 27,677,032,104.54
  5. Step 5: Solve for x
    x = 27,677,032,104.54/236,010.92
  6. Step 6: Final answer
    x = 117,270.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.