Home / 199,309.23-275,046.66-108,665.27

Finding the Fourth Proportional to 199,309.23, 275,046.66 and 108,665.27

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Solution

The fourth proportional to 199,309.23, 275,046.66 and 108,665.27 is: 149,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,309.23 : 275,046.66 = 108,665.27 : x
  2. Step 2: Convert to fraction form
    199,309.23/275,046.66 = 108,665.27/x
  3. Step 3: Cross multiply
    199,309.23x = 275,046.66 × 108,665.27
  4. Step 4: Simplify right side
    199,309.23x = 29,888,020,051.14
  5. Step 5: Solve for x
    x = 29,888,020,051.14/199,309.23
  6. Step 6: Final answer
    x = 149,958.03

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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.