Home / 149,620.78-206,289.92-95,817.34

Finding the Fourth Proportional to 149,620.78, 206,289.92 and 95,817.34

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Solution

The fourth proportional to 149,620.78, 206,289.92 and 95,817.34 is: 132,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,620.78 : 206,289.92 = 95,817.34 : x
  2. Step 2: Convert to fraction form
    149,620.78/206,289.92 = 95,817.34/x
  3. Step 3: Cross multiply
    149,620.78x = 206,289.92 × 95,817.34
  4. Step 4: Simplify right side
    149,620.78x = 19,766,151,403.21
  5. Step 5: Solve for x
    x = 19,766,151,403.21/149,620.78
  6. Step 6: Final answer
    x = 132,108.33

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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.