Home / 199,014.76-274,647.16-108,372.28

Finding the Fourth Proportional to 199,014.76, 274,647.16 and 108,372.28

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Solution

The fourth proportional to 199,014.76, 274,647.16 and 108,372.28 is: 149,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,014.76 : 274,647.16 = 108,372.28 : x
  2. Step 2: Convert to fraction form
    199,014.76/274,647.16 = 108,372.28/x
  3. Step 3: Cross multiply
    199,014.76x = 274,647.16 × 108,372.28
  4. Step 4: Simplify right side
    199,014.76x = 29,764,138,924.72
  5. Step 5: Solve for x
    x = 29,764,138,924.72/199,014.76
  6. Step 6: Final answer
    x = 149,557.44

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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.