Home / 197,258.40-295,917.12-72,589.92

Finding the Fourth Proportional to 197,258.40, 295,917.12 and 72,589.92

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Solution

The fourth proportional to 197,258.40, 295,917.12 and 72,589.92 is: 108,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,258.40 : 295,917.12 = 72,589.92 : x
  2. Step 2: Convert to fraction form
    197,258.40/295,917.12 = 72,589.92/x
  3. Step 3: Cross multiply
    197,258.40x = 295,917.12 × 72,589.92
  4. Step 4: Simplify right side
    197,258.40x = 21,480,600,067.43
  5. Step 5: Solve for x
    x = 21,480,600,067.43/197,258.40
  6. Step 6: Final answer
    x = 108,895.74

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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.