Home / 199,275.56-274,998.04-108,629.56

Finding the Fourth Proportional to 199,275.56, 274,998.04 and 108,629.56

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Solution

The fourth proportional to 199,275.56, 274,998.04 and 108,629.56 is: 149,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,275.56 : 274,998.04 = 108,629.56 : x
  2. Step 2: Convert to fraction form
    199,275.56/274,998.04 = 108,629.56/x
  3. Step 3: Cross multiply
    199,275.56x = 274,998.04 × 108,629.56
  4. Step 4: Simplify right side
    199,275.56x = 29,872,916,086.06
  5. Step 5: Solve for x
    x = 29,872,916,086.06/199,275.56
  6. Step 6: Final answer
    x = 149,907.58

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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.