Home / 120,943.94-166,908.20-67,234.46

Finding the Fourth Proportional to 120,943.94, 166,908.20 and 67,234.46

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Solution

The fourth proportional to 120,943.94, 166,908.20 and 67,234.46 is: 92,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,943.94 : 166,908.20 = 67,234.46 : x
  2. Step 2: Convert to fraction form
    120,943.94/166,908.20 = 67,234.46/x
  3. Step 3: Cross multiply
    120,943.94x = 166,908.20 × 67,234.46
  4. Step 4: Simplify right side
    120,943.94x = 11,221,981,525.86
  5. Step 5: Solve for x
    x = 11,221,981,525.86/120,943.94
  6. Step 6: Final answer
    x = 92,786.64

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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.