Home / 194,640.72-268,603.74-109,757.18

Finding the Fourth Proportional to 194,640.72, 268,603.74 and 109,757.18

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Solution

The fourth proportional to 194,640.72, 268,603.74 and 109,757.18 is: 151,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,640.72 : 268,603.74 = 109,757.18 : x
  2. Step 2: Convert to fraction form
    194,640.72/268,603.74 = 109,757.18/x
  3. Step 3: Cross multiply
    194,640.72x = 268,603.74 × 109,757.18
  4. Step 4: Simplify right side
    194,640.72x = 29,481,187,696.83
  5. Step 5: Solve for x
    x = 29,481,187,696.83/194,640.72
  6. Step 6: Final answer
    x = 151,464.65

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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.