Home / 149,497.34-206,356.31-89,086.92

Finding the Fourth Proportional to 149,497.34, 206,356.31 and 89,086.92

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Solution

The fourth proportional to 149,497.34, 206,356.31 and 89,086.92 is: 122,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,497.34 : 206,356.31 = 89,086.92 : x
  2. Step 2: Convert to fraction form
    149,497.34/206,356.31 = 89,086.92/x
  3. Step 3: Cross multiply
    149,497.34x = 206,356.31 × 89,086.92
  4. Step 4: Simplify right side
    149,497.34x = 18,383,647,635.03
  5. Step 5: Solve for x
    x = 18,383,647,635.03/149,497.34
  6. Step 6: Final answer
    x = 122,969.73

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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.