Home / 194,664.40-268,628.57-109,789.36

Finding the Fourth Proportional to 194,664.40, 268,628.57 and 109,789.36

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Solution

The fourth proportional to 194,664.40, 268,628.57 and 109,789.36 is: 151,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,664.40 : 268,628.57 = 109,789.36 : x
  2. Step 2: Convert to fraction form
    194,664.40/268,628.57 = 109,789.36/x
  3. Step 3: Cross multiply
    194,664.40x = 268,628.57 × 109,789.36
  4. Step 4: Simplify right side
    194,664.40x = 29,492,557,969.21
  5. Step 5: Solve for x
    x = 29,492,557,969.21/194,664.40
  6. Step 6: Final answer
    x = 151,504.63

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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.