Home / 149,336.21-206,083.88-82,268.21

Finding the Fourth Proportional to 149,336.21, 206,083.88 and 82,268.21

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Solution

The fourth proportional to 149,336.21, 206,083.88 and 82,268.21 is: 113,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,336.21 : 206,083.88 = 82,268.21 : x
  2. Step 2: Convert to fraction form
    149,336.21/206,083.88 = 82,268.21/x
  3. Step 3: Cross multiply
    149,336.21x = 206,083.88 × 82,268.21
  4. Step 4: Simplify right side
    149,336.21x = 16,954,151,917.45
  5. Step 5: Solve for x
    x = 16,954,151,917.45/149,336.21
  6. Step 6: Final answer
    x = 113,530.08

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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.