Home / 195,020.10-269,205.26-122,403.60

Finding the Fourth Proportional to 195,020.10, 269,205.26 and 122,403.60

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Solution

The fourth proportional to 195,020.10, 269,205.26 and 122,403.60 is: 168,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,020.10 : 269,205.26 = 122,403.60 : x
  2. Step 2: Convert to fraction form
    195,020.10/269,205.26 = 122,403.60/x
  3. Step 3: Cross multiply
    195,020.10x = 269,205.26 × 122,403.60
  4. Step 4: Simplify right side
    195,020.10x = 32,951,692,350.92
  5. Step 5: Solve for x
    x = 32,951,692,350.92/195,020.10
  6. Step 6: Final answer
    x = 168,965.62

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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.