Home / 194,611.42-268,563.81-109,728.49

Finding the Fourth Proportional to 194,611.42, 268,563.81 and 109,728.49

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Solution

The fourth proportional to 194,611.42, 268,563.81 and 109,728.49 is: 151,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,611.42 : 268,563.81 = 109,728.49 : x
  2. Step 2: Convert to fraction form
    194,611.42/268,563.81 = 109,728.49/x
  3. Step 3: Cross multiply
    194,611.42x = 268,563.81 × 109,728.49
  4. Step 4: Simplify right side
    194,611.42x = 29,469,101,339.95
  5. Step 5: Solve for x
    x = 29,469,101,339.95/194,611.42
  6. Step 6: Final answer
    x = 151,425.34

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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.