Home / 194,228.51-268,040.36-109,348.61

Finding the Fourth Proportional to 194,228.51, 268,040.36 and 109,348.61

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Solution

The fourth proportional to 194,228.51, 268,040.36 and 109,348.61 is: 150,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,228.51 : 268,040.36 = 109,348.61 : x
  2. Step 2: Convert to fraction form
    194,228.51/268,040.36 = 109,348.61/x
  3. Step 3: Cross multiply
    194,228.51x = 268,040.36 × 109,348.61
  4. Step 4: Simplify right side
    194,228.51x = 29,309,840,789.90
  5. Step 5: Solve for x
    x = 29,309,840,789.90/194,228.51
  6. Step 6: Final answer
    x = 150,903.91

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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.