Home / 149,449.44-206,241.15-89,022.63

Finding the Fourth Proportional to 149,449.44, 206,241.15 and 89,022.63

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Solution

The fourth proportional to 149,449.44, 206,241.15 and 89,022.63 is: 122,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,449.44 : 206,241.15 = 89,022.63 : x
  2. Step 2: Convert to fraction form
    149,449.44/206,241.15 = 89,022.63/x
  3. Step 3: Cross multiply
    149,449.44x = 206,241.15 × 89,022.63
  4. Step 4: Simplify right side
    149,449.44x = 18,360,129,587.22
  5. Step 5: Solve for x
    x = 18,360,129,587.22/149,449.44
  6. Step 6: Final answer
    x = 122,851.78

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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.