Home / 198,273.33-273,617.28-107,629.20

Finding the Fourth Proportional to 198,273.33, 273,617.28 and 107,629.20

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Solution

The fourth proportional to 198,273.33, 273,617.28 and 107,629.20 is: 148,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,273.33 : 273,617.28 = 107,629.20 : x
  2. Step 2: Convert to fraction form
    198,273.33/273,617.28 = 107,629.20/x
  3. Step 3: Cross multiply
    198,273.33x = 273,617.28 × 107,629.20
  4. Step 4: Simplify right side
    198,273.33x = 29,449,208,952.58
  5. Step 5: Solve for x
    x = 29,449,208,952.58/198,273.33
  6. Step 6: Final answer
    x = 148,528.34

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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.