Home / 197,500.20-296,243.64-79,139.76

Finding the Fourth Proportional to 197,500.20, 296,243.64 and 79,139.76

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Solution

The fourth proportional to 197,500.20, 296,243.64 and 79,139.76 is: 118,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,500.20 : 296,243.64 = 79,139.76 : x
  2. Step 2: Convert to fraction form
    197,500.20/296,243.64 = 79,139.76/x
  3. Step 3: Cross multiply
    197,500.20x = 296,243.64 × 79,139.76
  4. Step 4: Simplify right side
    197,500.20x = 23,444,650,571.13
  5. Step 5: Solve for x
    x = 23,444,650,571.13/197,500.20
  6. Step 6: Final answer
    x = 118,706.97

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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.