Home / 199,186.26-274,870.05-108,540.39

Finding the Fourth Proportional to 199,186.26, 274,870.05 and 108,540.39

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Solution

The fourth proportional to 199,186.26, 274,870.05 and 108,540.39 is: 149,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,186.26 : 274,870.05 = 108,540.39 : x
  2. Step 2: Convert to fraction form
    199,186.26/274,870.05 = 108,540.39/x
  3. Step 3: Cross multiply
    199,186.26x = 274,870.05 × 108,540.39
  4. Step 4: Simplify right side
    199,186.26x = 29,834,502,426.32
  5. Step 5: Solve for x
    x = 29,834,502,426.32/199,186.26
  6. Step 6: Final answer
    x = 149,781.93

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1.5x scale

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.