Home / 195,173.43-269,326.82-109,139.50

Finding the Fourth Proportional to 195,173.43, 269,326.82 and 109,139.50

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Solution

The fourth proportional to 195,173.43, 269,326.82 and 109,139.50 is: 150,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,173.43 : 269,326.82 = 109,139.50 : x
  2. Step 2: Convert to fraction form
    195,173.43/269,326.82 = 109,139.50/x
  3. Step 3: Cross multiply
    195,173.43x = 269,326.82 × 109,139.50
  4. Step 4: Simplify right side
    195,173.43x = 29,394,193,124.76
  5. Step 5: Solve for x
    x = 29,394,193,124.76/195,173.43
  6. Step 6: Final answer
    x = 150,605.51

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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.