Home / 194,638.41-268,433.19-126,630.54

Finding the Fourth Proportional to 194,638.41, 268,433.19 and 126,630.54

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Solution

The fourth proportional to 194,638.41, 268,433.19 and 126,630.54 is: 174,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,638.41 : 268,433.19 = 126,630.54 : x
  2. Step 2: Convert to fraction form
    194,638.41/268,433.19 = 126,630.54/x
  3. Step 3: Cross multiply
    194,638.41x = 268,433.19 × 126,630.54
  4. Step 4: Simplify right side
    194,638.41x = 33,991,839,803.62
  5. Step 5: Solve for x
    x = 33,991,839,803.62/194,638.41
  6. Step 6: Final answer
    x = 174,640.97

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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.