Home / 195,900.22-293,850.39-129,324.78

Finding the Fourth Proportional to 195,900.22, 293,850.39 and 129,324.78

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Solution

The fourth proportional to 195,900.22, 293,850.39 and 129,324.78 is: 193,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,900.22 : 293,850.39 = 129,324.78 : x
  2. Step 2: Convert to fraction form
    195,900.22/293,850.39 = 129,324.78/x
  3. Step 3: Cross multiply
    195,900.22x = 293,850.39 × 129,324.78
  4. Step 4: Simplify right side
    195,900.22x = 38,002,137,524.63
  5. Step 5: Solve for x
    x = 38,002,137,524.63/195,900.22
  6. Step 6: Final answer
    x = 193,987.21

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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.