Home / 130,399.80-195,862.26-126,724.92

Finding the Fourth Proportional to 130,399.80, 195,862.26 and 126,724.92

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Solution

The fourth proportional to 130,399.80, 195,862.26 and 126,724.92 is: 190,342.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,399.80 : 195,862.26 = 126,724.92 : x
  2. Step 2: Convert to fraction form
    130,399.80/195,862.26 = 126,724.92/x
  3. Step 3: Cross multiply
    130,399.80x = 195,862.26 × 126,724.92
  4. Step 4: Simplify right side
    130,399.80x = 24,820,629,229.52
  5. Step 5: Solve for x
    x = 24,820,629,229.52/130,399.80
  6. Step 6: Final answer
    x = 190,342.54

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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.