Home / 197,517.25-296,278.39-69,428.37

Finding the Fourth Proportional to 197,517.25, 296,278.39 and 69,428.37

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Solution

The fourth proportional to 197,517.25, 296,278.39 and 69,428.37 is: 104,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,517.25 : 296,278.39 = 69,428.37 : x
  2. Step 2: Convert to fraction form
    197,517.25/296,278.39 = 69,428.37/x
  3. Step 3: Cross multiply
    197,517.25x = 296,278.39 × 69,428.37
  4. Step 4: Simplify right side
    197,517.25x = 20,570,125,683.92
  5. Step 5: Solve for x
    x = 20,570,125,683.92/197,517.25
  6. Step 6: Final answer
    x = 104,143.44

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1.5x scale

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.