Home / 120,467.88-166,243.73-66,752.73

Finding the Fourth Proportional to 120,467.88, 166,243.73 and 66,752.73

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Solution

The fourth proportional to 120,467.88, 166,243.73 and 66,752.73 is: 92,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,467.88 : 166,243.73 = 66,752.73 : x
  2. Step 2: Convert to fraction form
    120,467.88/166,243.73 = 66,752.73/x
  3. Step 3: Cross multiply
    120,467.88x = 166,243.73 × 66,752.73
  4. Step 4: Simplify right side
    120,467.88x = 11,097,222,489.12
  5. Step 5: Solve for x
    x = 11,097,222,489.12/120,467.88
  6. Step 6: Final answer
    x = 92,117.69

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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.