Home / 122,604.68-169,191.78-68,153.24

Finding the Fourth Proportional to 122,604.68, 169,191.78 and 68,153.24

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Solution

The fourth proportional to 122,604.68, 169,191.78 and 68,153.24 is: 94,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,604.68 : 169,191.78 = 68,153.24 : x
  2. Step 2: Convert to fraction form
    122,604.68/169,191.78 = 68,153.24/x
  3. Step 3: Cross multiply
    122,604.68x = 169,191.78 × 68,153.24
  4. Step 4: Simplify right side
    122,604.68x = 11,530,967,988.37
  5. Step 5: Solve for x
    x = 11,530,967,988.37/122,604.68
  6. Step 6: Final answer
    x = 94,049.98

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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.