Home / 120,968.03-166,926.39-67,249.77

Finding the Fourth Proportional to 120,968.03, 166,926.39 and 67,249.77

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Solution

The fourth proportional to 120,968.03, 166,926.39 and 67,249.77 is: 92,799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,968.03 : 166,926.39 = 67,249.77 : x
  2. Step 2: Convert to fraction form
    120,968.03/166,926.39 = 67,249.77/x
  3. Step 3: Cross multiply
    120,968.03x = 166,926.39 × 67,249.77
  4. Step 4: Simplify right side
    120,968.03x = 11,225,761,334.43
  5. Step 5: Solve for x
    x = 11,225,761,334.43/120,968.03
  6. Step 6: Final answer
    x = 92,799.41

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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.