Home / 199,111.04-274,770.05-108,468.09

Finding the Fourth Proportional to 199,111.04, 274,770.05 and 108,468.09

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Solution

The fourth proportional to 199,111.04, 274,770.05 and 108,468.09 is: 149,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,111.04 : 274,770.05 = 108,468.09 : x
  2. Step 2: Convert to fraction form
    199,111.04/274,770.05 = 108,468.09/x
  3. Step 3: Cross multiply
    199,111.04x = 274,770.05 × 108,468.09
  4. Step 4: Simplify right side
    199,111.04x = 29,803,781,138.85
  5. Step 5: Solve for x
    x = 29,803,781,138.85/199,111.04
  6. Step 6: Final answer
    x = 149,684.23

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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.