Home / 122,202.45-168,646.11-68,504.73

Finding the Fourth Proportional to 122,202.45, 168,646.11 and 68,504.73

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Solution

The fourth proportional to 122,202.45, 168,646.11 and 68,504.73 is: 94,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,202.45 : 168,646.11 = 68,504.73 : x
  2. Step 2: Convert to fraction form
    122,202.45/168,646.11 = 68,504.73/x
  3. Step 3: Cross multiply
    122,202.45x = 168,646.11 × 68,504.73
  4. Step 4: Simplify right side
    122,202.45x = 11,553,056,231.10
  5. Step 5: Solve for x
    x = 11,553,056,231.10/122,202.45
  6. Step 6: Final answer
    x = 94,540.30

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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.