Home / 149,338.10-206,086.58-82,270.10

Finding the Fourth Proportional to 149,338.10, 206,086.58 and 82,270.10

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Solution

The fourth proportional to 149,338.10, 206,086.58 and 82,270.10 is: 113,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,338.10 : 206,086.58 = 82,270.10 : x
  2. Step 2: Convert to fraction form
    149,338.10/206,086.58 = 82,270.10/x
  3. Step 3: Cross multiply
    149,338.10x = 206,086.58 × 82,270.10
  4. Step 4: Simplify right side
    149,338.10x = 16,954,763,545.26
  5. Step 5: Solve for x
    x = 16,954,763,545.26/149,338.10
  6. Step 6: Final answer
    x = 113,532.74

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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.