Home / 120,901.46-166,833.38-67,183.06

Finding the Fourth Proportional to 120,901.46, 166,833.38 and 67,183.06

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Solution

The fourth proportional to 120,901.46, 166,833.38 and 67,183.06 is: 92,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,901.46 : 166,833.38 = 67,183.06 : x
  2. Step 2: Convert to fraction form
    120,901.46/166,833.38 = 67,183.06/x
  3. Step 3: Cross multiply
    120,901.46x = 166,833.38 × 67,183.06
  4. Step 4: Simplify right side
    120,901.46x = 11,208,376,978.54
  5. Step 5: Solve for x
    x = 11,208,376,978.54/120,901.46
  6. Step 6: Final answer
    x = 92,706.71

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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.