Home / 198,664.64-274,163.04-108,020.48

Finding the Fourth Proportional to 198,664.64, 274,163.04 and 108,020.48

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Solution

The fourth proportional to 198,664.64, 274,163.04 and 108,020.48 is: 149,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,664.64 : 274,163.04 = 108,020.48 : x
  2. Step 2: Convert to fraction form
    198,664.64/274,163.04 = 108,020.48/x
  3. Step 3: Cross multiply
    198,664.64x = 274,163.04 × 108,020.48
  4. Step 4: Simplify right side
    198,664.64x = 29,615,223,179.06
  5. Step 5: Solve for x
    x = 29,615,223,179.06/198,664.64
  6. Step 6: Final answer
    x = 149,071.44

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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.