Home / 100,906.20-151,359.30-41,722.20

Finding the Fourth Proportional to 100,906.20, 151,359.30 and 41,722.20

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Solution

The fourth proportional to 100,906.20, 151,359.30 and 41,722.20 is: 62,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,906.20 : 151,359.30 = 41,722.20 : x
  2. Step 2: Convert to fraction form
    100,906.20/151,359.30 = 41,722.20/x
  3. Step 3: Cross multiply
    100,906.20x = 151,359.30 × 41,722.20
  4. Step 4: Simplify right side
    100,906.20x = 6,315,042,986.46
  5. Step 5: Solve for x
    x = 6,315,042,986.46/100,906.20
  6. Step 6: Final answer
    x = 62,583.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.