Home / 197,716.76-296,513.80-71,340.56

Finding the Fourth Proportional to 197,716.76, 296,513.80 and 71,340.56

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Solution

The fourth proportional to 197,716.76, 296,513.80 and 71,340.56 is: 106,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,716.76 : 296,513.80 = 71,340.56 : x
  2. Step 2: Convert to fraction form
    197,716.76/296,513.80 = 71,340.56/x
  3. Step 3: Cross multiply
    197,716.76x = 296,513.80 × 71,340.56
  4. Step 4: Simplify right side
    197,716.76x = 21,153,460,539.73
  5. Step 5: Solve for x
    x = 21,153,460,539.73/197,716.76
  6. Step 6: Final answer
    x = 106,988.71

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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.