Home / 199,009.51-274,629.18-108,366.56

Finding the Fourth Proportional to 199,009.51, 274,629.18 and 108,366.56

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Solution

The fourth proportional to 199,009.51, 274,629.18 and 108,366.56 is: 149,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,009.51 : 274,629.18 = 108,366.56 : x
  2. Step 2: Convert to fraction form
    199,009.51/274,629.18 = 108,366.56/x
  3. Step 3: Cross multiply
    199,009.51x = 274,629.18 × 108,366.56
  4. Step 4: Simplify right side
    199,009.51x = 29,760,619,575.31
  5. Step 5: Solve for x
    x = 29,760,619,575.31/199,009.51
  6. Step 6: Final answer
    x = 149,543.71

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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.