Home / 149,338.36-206,086.92-82,270.36

Finding the Fourth Proportional to 149,338.36, 206,086.92 and 82,270.36

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Solution

The fourth proportional to 149,338.36, 206,086.92 and 82,270.36 is: 113,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,338.36 : 206,086.92 = 82,270.36 : x
  2. Step 2: Convert to fraction form
    149,338.36/206,086.92 = 82,270.36/x
  3. Step 3: Cross multiply
    149,338.36x = 206,086.92 × 82,270.36
  4. Step 4: Simplify right side
    149,338.36x = 16,954,845,099.69
  5. Step 5: Solve for x
    x = 16,954,845,099.69/149,338.36
  6. Step 6: Final answer
    x = 113,533.09

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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.