Home / 379,111.78-568,386.77-179,198.56

Finding the Fourth Proportional to 379,111.78, 568,386.77 and 179,198.56

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Solution

The fourth proportional to 379,111.78, 568,386.77 and 179,198.56 is: 268,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,111.78 : 568,386.77 = 179,198.56 : x
  2. Step 2: Convert to fraction form
    379,111.78/568,386.77 = 179,198.56/x
  3. Step 3: Cross multiply
    379,111.78x = 568,386.77 × 179,198.56
  4. Step 4: Simplify right side
    379,111.78x = 101,854,091,529.53
  5. Step 5: Solve for x
    x = 101,854,091,529.53/379,111.78
  6. Step 6: Final answer
    x = 268,665.07

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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.