Home / 120,982.41-166,956.39-67,272.39

Finding the Fourth Proportional to 120,982.41, 166,956.39 and 67,272.39

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Solution

The fourth proportional to 120,982.41, 166,956.39 and 67,272.39 is: 92,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,982.41 : 166,956.39 = 67,272.39 : x
  2. Step 2: Convert to fraction form
    120,982.41/166,956.39 = 67,272.39/x
  3. Step 3: Cross multiply
    120,982.41x = 166,956.39 × 67,272.39
  4. Step 4: Simplify right side
    120,982.41x = 11,231,555,381.07
  5. Step 5: Solve for x
    x = 11,231,555,381.07/120,982.41
  6. Step 6: Final answer
    x = 92,836.27

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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.