Home / 120,817.14-166,723.08-67,105.62

Finding the Fourth Proportional to 120,817.14, 166,723.08 and 67,105.62

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Solution

The fourth proportional to 120,817.14, 166,723.08 and 67,105.62 is: 92,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,817.14 : 166,723.08 = 67,105.62 : x
  2. Step 2: Convert to fraction form
    120,817.14/166,723.08 = 67,105.62/x
  3. Step 3: Cross multiply
    120,817.14x = 166,723.08 × 67,105.62
  4. Step 4: Simplify right side
    120,817.14x = 11,188,055,651.71
  5. Step 5: Solve for x
    x = 11,188,055,651.71/120,817.14
  6. Step 6: Final answer
    x = 92,603.22

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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.