Home / 120,966.14-166,923.82-67,247.89

Finding the Fourth Proportional to 120,966.14, 166,923.82 and 67,247.89

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Solution

The fourth proportional to 120,966.14, 166,923.82 and 67,247.89 is: 92,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,966.14 : 166,923.82 = 67,247.89 : x
  2. Step 2: Convert to fraction form
    120,966.14/166,923.82 = 67,247.89/x
  3. Step 3: Cross multiply
    120,966.14x = 166,923.82 × 67,247.89
  4. Step 4: Simplify right side
    120,966.14x = 11,225,274,352.49
  5. Step 5: Solve for x
    x = 11,225,274,352.49/120,966.14
  6. Step 6: Final answer
    x = 92,796.83

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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.