Home / 149,659.58-206,478.11-95,974.20

Finding the Fourth Proportional to 149,659.58, 206,478.11 and 95,974.20

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Solution

The fourth proportional to 149,659.58, 206,478.11 and 95,974.20 is: 132,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,659.58 : 206,478.11 = 95,974.20 : x
  2. Step 2: Convert to fraction form
    149,659.58/206,478.11 = 95,974.20/x
  3. Step 3: Cross multiply
    149,659.58x = 206,478.11 × 95,974.20
  4. Step 4: Simplify right side
    149,659.58x = 19,816,571,664.70
  5. Step 5: Solve for x
    x = 19,816,571,664.70/149,659.58
  6. Step 6: Final answer
    x = 132,410.98

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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.