Home / 197,711.08-296,564.32-79,380.34

Finding the Fourth Proportional to 197,711.08, 296,564.32 and 79,380.34

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Solution

The fourth proportional to 197,711.08, 296,564.32 and 79,380.34 is: 119,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,711.08 : 296,564.32 = 79,380.34 : x
  2. Step 2: Convert to fraction form
    197,711.08/296,564.32 = 79,380.34/x
  3. Step 3: Cross multiply
    197,711.08x = 296,564.32 × 79,380.34
  4. Step 4: Simplify right side
    197,711.08x = 23,541,376,553.47
  5. Step 5: Solve for x
    x = 23,541,376,553.47/197,711.08
  6. Step 6: Final answer
    x = 119,069.59

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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.