Home / 140,976.53-194,529.69-80,551.09

Finding the Fourth Proportional to 140,976.53, 194,529.69 and 80,551.09

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Solution

The fourth proportional to 140,976.53, 194,529.69 and 80,551.09 is: 111,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,976.53 : 194,529.69 = 80,551.09 : x
  2. Step 2: Convert to fraction form
    140,976.53/194,529.69 = 80,551.09/x
  3. Step 3: Cross multiply
    140,976.53x = 194,529.69 × 80,551.09
  4. Step 4: Simplify right side
    140,976.53x = 15,669,578,810.02
  5. Step 5: Solve for x
    x = 15,669,578,810.02/140,976.53
  6. Step 6: Final answer
    x = 111,150.26

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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.