Home / 194,943.90-268,910.29-117,365.54

Finding the Fourth Proportional to 194,943.90, 268,910.29 and 117,365.54

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Solution

The fourth proportional to 194,943.90, 268,910.29 and 117,365.54 is: 161,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,943.90 : 268,910.29 = 117,365.54 : x
  2. Step 2: Convert to fraction form
    194,943.90/268,910.29 = 117,365.54/x
  3. Step 3: Cross multiply
    194,943.90x = 268,910.29 × 117,365.54
  4. Step 4: Simplify right side
    194,943.90x = 31,560,801,397.41
  5. Step 5: Solve for x
    x = 31,560,801,397.41/194,943.90
  6. Step 6: Final answer
    x = 161,896.84

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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.