Home / 356,095.72-491,412.24-194,961.20

Finding the Fourth Proportional to 356,095.72, 491,412.24 and 194,961.20

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Solution

The fourth proportional to 356,095.72, 491,412.24 and 194,961.20 is: 269,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,095.72 : 491,412.24 = 194,961.20 : x
  2. Step 2: Convert to fraction form
    356,095.72/491,412.24 = 194,961.20/x
  3. Step 3: Cross multiply
    356,095.72x = 491,412.24 × 194,961.20
  4. Step 4: Simplify right side
    356,095.72x = 95,806,320,005.09
  5. Step 5: Solve for x
    x = 95,806,320,005.09/356,095.72
  6. Step 6: Final answer
    x = 269,046.54

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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.