Home / 120,846.33-166,772.67-82,685.92

Finding the Fourth Proportional to 120,846.33, 166,772.67 and 82,685.92

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Solution

The fourth proportional to 120,846.33, 166,772.67 and 82,685.92 is: 114,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,846.33 : 166,772.67 = 82,685.92 : x
  2. Step 2: Convert to fraction form
    120,846.33/166,772.67 = 82,685.92/x
  3. Step 3: Cross multiply
    120,846.33x = 166,772.67 × 82,685.92
  4. Step 4: Simplify right side
    120,846.33x = 13,789,751,542.95
  5. Step 5: Solve for x
    x = 13,789,751,542.95/120,846.33
  6. Step 6: Final answer
    x = 114,109.81

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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.