Home / 199,201.55-274,891.16-108,555.66

Finding the Fourth Proportional to 199,201.55, 274,891.16 and 108,555.66

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Solution

The fourth proportional to 199,201.55, 274,891.16 and 108,555.66 is: 149,803.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,201.55 : 274,891.16 = 108,555.66 : x
  2. Step 2: Convert to fraction form
    199,201.55/274,891.16 = 108,555.66/x
  3. Step 3: Cross multiply
    199,201.55x = 274,891.16 × 108,555.66
  4. Step 4: Simplify right side
    199,201.55x = 29,840,991,301.97
  5. Step 5: Solve for x
    x = 29,840,991,301.97/199,201.55
  6. Step 6: Final answer
    x = 149,803.01

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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.