Home / 122,616.73-169,205.63-71,634.18

Finding the Fourth Proportional to 122,616.73, 169,205.63 and 71,634.18

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Solution

The fourth proportional to 122,616.73, 169,205.63 and 71,634.18 is: 98,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,616.73 : 169,205.63 = 71,634.18 : x
  2. Step 2: Convert to fraction form
    122,616.73/169,205.63 = 71,634.18/x
  3. Step 3: Cross multiply
    122,616.73x = 169,205.63 × 71,634.18
  4. Step 4: Simplify right side
    122,616.73x = 12,120,906,556.43
  5. Step 5: Solve for x
    x = 12,120,906,556.43/122,616.73
  6. Step 6: Final answer
    x = 98,851.98

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1.5x scale

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.