Home / 149,619.72-206,288.46-95,816.28

Finding the Fourth Proportional to 149,619.72, 206,288.46 and 95,816.28

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Solution

The fourth proportional to 149,619.72, 206,288.46 and 95,816.28 is: 132,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,619.72 : 206,288.46 = 95,816.28 : x
  2. Step 2: Convert to fraction form
    149,619.72/206,288.46 = 95,816.28/x
  3. Step 3: Cross multiply
    149,619.72x = 206,288.46 × 95,816.28
  4. Step 4: Simplify right side
    149,619.72x = 19,765,792,844.13
  5. Step 5: Solve for x
    x = 19,765,792,844.13/149,619.72
  6. Step 6: Final answer
    x = 132,106.87

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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.