Home / 120,634.54-166,462.24-66,906.10

Finding the Fourth Proportional to 120,634.54, 166,462.24 and 66,906.10

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Solution

The fourth proportional to 120,634.54, 166,462.24 and 66,906.10 is: 92,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,634.54 : 166,462.24 = 66,906.10 : x
  2. Step 2: Convert to fraction form
    120,634.54/166,462.24 = 66,906.10/x
  3. Step 3: Cross multiply
    120,634.54x = 166,462.24 × 66,906.10
  4. Step 4: Simplify right side
    120,634.54x = 11,137,339,275.66
  5. Step 5: Solve for x
    x = 11,137,339,275.66/120,634.54
  6. Step 6: Final answer
    x = 92,322.97

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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.