Home / 197,612.34-296,422.92-71,262.78

Finding the Fourth Proportional to 197,612.34, 296,422.92 and 71,262.78

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Solution

The fourth proportional to 197,612.34, 296,422.92 and 71,262.78 is: 106,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,612.34 : 296,422.92 = 71,262.78 : x
  2. Step 2: Convert to fraction form
    197,612.34/296,422.92 = 71,262.78/x
  3. Step 3: Cross multiply
    197,612.34x = 296,422.92 × 71,262.78
  4. Step 4: Simplify right side
    197,612.34x = 21,123,921,334.92
  5. Step 5: Solve for x
    x = 21,123,921,334.92/197,612.34
  6. Step 6: Final answer
    x = 106,895.76

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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.