Home / 197,866.40-273,087.84-147,215.48

Finding the Fourth Proportional to 197,866.40, 273,087.84 and 147,215.48

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Solution

The fourth proportional to 197,866.40, 273,087.84 and 147,215.48 is: 203,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,866.40 : 273,087.84 = 147,215.48 : x
  2. Step 2: Convert to fraction form
    197,866.40/273,087.84 = 147,215.48/x
  3. Step 3: Cross multiply
    197,866.40x = 273,087.84 × 147,215.48
  4. Step 4: Simplify right side
    197,866.40x = 40,202,757,447.76
  5. Step 5: Solve for x
    x = 40,202,757,447.76/197,866.40
  6. Step 6: Final answer
    x = 203,181.33

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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.