Home / 197,906.28-296,852.12-85,614.76

Finding the Fourth Proportional to 197,906.28, 296,852.12 and 85,614.76

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Solution

The fourth proportional to 197,906.28, 296,852.12 and 85,614.76 is: 128,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,906.28 : 296,852.12 = 85,614.76 : x
  2. Step 2: Convert to fraction form
    197,906.28/296,852.12 = 85,614.76/x
  3. Step 3: Cross multiply
    197,906.28x = 296,852.12 × 85,614.76
  4. Step 4: Simplify right side
    197,906.28x = 25,414,923,009.29
  5. Step 5: Solve for x
    x = 25,414,923,009.29/197,906.28
  6. Step 6: Final answer
    x = 128,418.98

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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.