Home / 122,725.44-169,443.36-82,499.04

Finding the Fourth Proportional to 122,725.44, 169,443.36 and 82,499.04

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Solution

The fourth proportional to 122,725.44, 169,443.36 and 82,499.04 is: 113,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,725.44 : 169,443.36 = 82,499.04 : x
  2. Step 2: Convert to fraction form
    122,725.44/169,443.36 = 82,499.04/x
  3. Step 3: Cross multiply
    122,725.44x = 169,443.36 × 82,499.04
  4. Step 4: Simplify right side
    122,725.44x = 13,978,914,534.37
  5. Step 5: Solve for x
    x = 13,978,914,534.37/122,725.44
  6. Step 6: Final answer
    x = 113,903.97

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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.