Home / 192,887.82-266,161.23-107,991.18

Finding the Fourth Proportional to 192,887.82, 266,161.23 and 107,991.18

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Solution

The fourth proportional to 192,887.82, 266,161.23 and 107,991.18 is: 149,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,887.82 : 266,161.23 = 107,991.18 : x
  2. Step 2: Convert to fraction form
    192,887.82/266,161.23 = 107,991.18/x
  3. Step 3: Cross multiply
    192,887.82x = 266,161.23 × 107,991.18
  4. Step 4: Simplify right side
    192,887.82x = 28,743,065,297.95
  5. Step 5: Solve for x
    x = 28,743,065,297.95/192,887.82
  6. Step 6: Final answer
    x = 149,014.41

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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.