Home / 194,905.41-268,969.48-105,481.41

Finding the Fourth Proportional to 194,905.41, 268,969.48 and 105,481.41

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Solution

The fourth proportional to 194,905.41, 268,969.48 and 105,481.41 is: 145,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,905.41 : 268,969.48 = 105,481.41 : x
  2. Step 2: Convert to fraction form
    194,905.41/268,969.48 = 105,481.41/x
  3. Step 3: Cross multiply
    194,905.41x = 268,969.48 × 105,481.41
  4. Step 4: Simplify right side
    194,905.41x = 28,371,278,725.03
  5. Step 5: Solve for x
    x = 28,371,278,725.03/194,905.41
  6. Step 6: Final answer
    x = 145,564.35

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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.