Home / 122,910.33-169,632.44-69,205.85

Finding the Fourth Proportional to 122,910.33, 169,632.44 and 69,205.85

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Solution

The fourth proportional to 122,910.33, 169,632.44 and 69,205.85 is: 95,513.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,910.33 : 169,632.44 = 69,205.85 : x
  2. Step 2: Convert to fraction form
    122,910.33/169,632.44 = 69,205.85/x
  3. Step 3: Cross multiply
    122,910.33x = 169,632.44 × 69,205.85
  4. Step 4: Simplify right side
    122,910.33x = 11,739,556,003.58
  5. Step 5: Solve for x
    x = 11,739,556,003.58/122,910.33
  6. Step 6: Final answer
    x = 95,513.18

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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.