Home / 122,984.43-169,361.18-106,844.37

Finding the Fourth Proportional to 122,984.43, 169,361.18 and 106,844.37

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Solution

The fourth proportional to 122,984.43, 169,361.18 and 106,844.37 is: 147,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,984.43 : 169,361.18 = 106,844.37 : x
  2. Step 2: Convert to fraction form
    122,984.43/169,361.18 = 106,844.37/x
  3. Step 3: Cross multiply
    122,984.43x = 169,361.18 × 106,844.37
  4. Step 4: Simplify right side
    122,984.43x = 18,095,288,045.33
  5. Step 5: Solve for x
    x = 18,095,288,045.33/122,984.43
  6. Step 6: Final answer
    x = 147,134.79

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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.