Home / 195,028.25-269,140.61-105,604.25

Finding the Fourth Proportional to 195,028.25, 269,140.61 and 105,604.25

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Solution

The fourth proportional to 195,028.25, 269,140.61 and 105,604.25 is: 145,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,028.25 : 269,140.61 = 105,604.25 : x
  2. Step 2: Convert to fraction form
    195,028.25/269,140.61 = 105,604.25/x
  3. Step 3: Cross multiply
    195,028.25x = 269,140.61 × 105,604.25
  4. Step 4: Simplify right side
    195,028.25x = 28,422,391,735.57
  5. Step 5: Solve for x
    x = 28,422,391,735.57/195,028.25
  6. Step 6: Final answer
    x = 145,734.74

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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.