Home / 194,679.26-268,657.78-105,255.26

Finding the Fourth Proportional to 194,679.26, 268,657.78 and 105,255.26

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Solution

The fourth proportional to 194,679.26, 268,657.78 and 105,255.26 is: 145,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,679.26 : 268,657.78 = 105,255.26 : x
  2. Step 2: Convert to fraction form
    194,679.26/268,657.78 = 105,255.26/x
  3. Step 3: Cross multiply
    194,679.26x = 268,657.78 × 105,255.26
  4. Step 4: Simplify right side
    194,679.26x = 28,277,644,484.92
  5. Step 5: Solve for x
    x = 28,277,644,484.92/194,679.26
  6. Step 6: Final answer
    x = 145,252.48

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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.