Home / 356,335.92-491,743.68-195,196.77

Finding the Fourth Proportional to 356,335.92, 491,743.68 and 195,196.77

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Solution

The fourth proportional to 356,335.92, 491,743.68 and 195,196.77 is: 269,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,335.92 : 491,743.68 = 195,196.77 : x
  2. Step 2: Convert to fraction form
    356,335.92/491,743.68 = 195,196.77/x
  3. Step 3: Cross multiply
    356,335.92x = 491,743.68 × 195,196.77
  4. Step 4: Simplify right side
    356,335.92x = 95,986,778,003.91
  5. Step 5: Solve for x
    x = 95,986,778,003.91/356,335.92
  6. Step 6: Final answer
    x = 269,371.60

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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.