Home / 195,213.36-269,392.55-109,171.39

Finding the Fourth Proportional to 195,213.36, 269,392.55 and 109,171.39

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Solution

The fourth proportional to 195,213.36, 269,392.55 and 109,171.39 is: 150,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,213.36 : 269,392.55 = 109,171.39 : x
  2. Step 2: Convert to fraction form
    195,213.36/269,392.55 = 109,171.39/x
  3. Step 3: Cross multiply
    195,213.36x = 269,392.55 × 109,171.39
  4. Step 4: Simplify right side
    195,213.36x = 29,409,958,738.59
  5. Step 5: Solve for x
    x = 29,409,958,738.59/195,213.36
  6. Step 6: Final answer
    x = 150,655.46

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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.