Home / 199,083.68-274,725.96-108,439.22

Finding the Fourth Proportional to 199,083.68, 274,725.96 and 108,439.22

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Solution

The fourth proportional to 199,083.68, 274,725.96 and 108,439.22 is: 149,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,083.68 : 274,725.96 = 108,439.22 : x
  2. Step 2: Convert to fraction form
    199,083.68/274,725.96 = 108,439.22/x
  3. Step 3: Cross multiply
    199,083.68x = 274,725.96 × 108,439.22
  4. Step 4: Simplify right side
    199,083.68x = 29,791,068,816.15
  5. Step 5: Solve for x
    x = 29,791,068,816.15/199,083.68
  6. Step 6: Final answer
    x = 149,640.94

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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.