Home / 120,358.04-166,096.67-65,912.49

Finding the Fourth Proportional to 120,358.04, 166,096.67 and 65,912.49

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Solution

The fourth proportional to 120,358.04, 166,096.67 and 65,912.49 is: 90,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,358.04 : 166,096.67 = 65,912.49 : x
  2. Step 2: Convert to fraction form
    120,358.04/166,096.67 = 65,912.49/x
  3. Step 3: Cross multiply
    120,358.04x = 166,096.67 × 65,912.49
  4. Step 4: Simplify right side
    120,358.04x = 10,947,844,770.85
  5. Step 5: Solve for x
    x = 10,947,844,770.85/120,358.04
  6. Step 6: Final answer
    x = 90,960.65

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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.