Home / 192,672.82-289,092.26-80,375.14

Finding the Fourth Proportional to 192,672.82, 289,092.26 and 80,375.14

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Solution

The fourth proportional to 192,672.82, 289,092.26 and 80,375.14 is: 120,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,672.82 : 289,092.26 = 80,375.14 : x
  2. Step 2: Convert to fraction form
    192,672.82/289,092.26 = 80,375.14/x
  3. Step 3: Cross multiply
    192,672.82x = 289,092.26 × 80,375.14
  4. Step 4: Simplify right side
    192,672.82x = 23,235,830,870.42
  5. Step 5: Solve for x
    x = 23,235,830,870.42/192,672.82
  6. Step 6: Final answer
    x = 120,597.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.