Home / 197,660.21-296,519.20-57,400.61

Finding the Fourth Proportional to 197,660.21, 296,519.20 and 57,400.61

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Solution

The fourth proportional to 197,660.21, 296,519.20 and 57,400.61 is: 86,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,660.21 : 296,519.20 = 57,400.61 : x
  2. Step 2: Convert to fraction form
    197,660.21/296,519.20 = 57,400.61/x
  3. Step 3: Cross multiply
    197,660.21x = 296,519.20 × 57,400.61
  4. Step 4: Simplify right side
    197,660.21x = 17,020,381,330.61
  5. Step 5: Solve for x
    x = 17,020,381,330.61/197,660.21
  6. Step 6: Final answer
    x = 86,109.30

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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.