Home / 194,640.24-268,603.92-105,216.24

Finding the Fourth Proportional to 194,640.24, 268,603.92 and 105,216.24

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Solution

The fourth proportional to 194,640.24, 268,603.92 and 105,216.24 is: 145,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,640.24 : 268,603.92 = 105,216.24 : x
  2. Step 2: Convert to fraction form
    194,640.24/268,603.92 = 105,216.24/x
  3. Step 3: Cross multiply
    194,640.24x = 268,603.92 × 105,216.24
  4. Step 4: Simplify right side
    194,640.24x = 28,261,494,511.66
  5. Step 5: Solve for x
    x = 28,261,494,511.66/194,640.24
  6. Step 6: Final answer
    x = 145,198.62

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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.