Home / 197,608.34-296,416.92-71,258.78

Finding the Fourth Proportional to 197,608.34, 296,416.92 and 71,258.78

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Solution

The fourth proportional to 197,608.34, 296,416.92 and 71,258.78 is: 106,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,608.34 : 296,416.92 = 71,258.78 : x
  2. Step 2: Convert to fraction form
    197,608.34/296,416.92 = 71,258.78/x
  3. Step 3: Cross multiply
    197,608.34x = 296,416.92 × 71,258.78
  4. Step 4: Simplify right side
    197,608.34x = 21,122,308,090.56
  5. Step 5: Solve for x
    x = 21,122,308,090.56/197,608.34
  6. Step 6: Final answer
    x = 106,889.76

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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.