Home / 140,965.53-194,344.22-111,990.02

Finding the Fourth Proportional to 140,965.53, 194,344.22 and 111,990.02

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Solution

The fourth proportional to 140,965.53, 194,344.22 and 111,990.02 is: 154,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,965.53 : 194,344.22 = 111,990.02 : x
  2. Step 2: Convert to fraction form
    140,965.53/194,344.22 = 111,990.02/x
  3. Step 3: Cross multiply
    140,965.53x = 194,344.22 × 111,990.02
  4. Step 4: Simplify right side
    140,965.53x = 21,764,611,553.01
  5. Step 5: Solve for x
    x = 21,764,611,553.01/140,965.53
  6. Step 6: Final answer
    x = 154,396.69

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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.