Home / 122,860.83-169,553.41-69,149.33

Finding the Fourth Proportional to 122,860.83, 169,553.41 and 69,149.33

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Solution

The fourth proportional to 122,860.83, 169,553.41 and 69,149.33 is: 95,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,860.83 : 169,553.41 = 69,149.33 : x
  2. Step 2: Convert to fraction form
    122,860.83/169,553.41 = 69,149.33/x
  3. Step 3: Cross multiply
    122,860.83x = 169,553.41 × 69,149.33
  4. Step 4: Simplify right side
    122,860.83x = 11,724,504,315.90
  5. Step 5: Solve for x
    x = 11,724,504,315.90/122,860.83
  6. Step 6: Final answer
    x = 95,429.14

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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.