Home / 197,700.75-296,588.39-79,381.22

Finding the Fourth Proportional to 197,700.75, 296,588.39 and 79,381.22

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Solution

The fourth proportional to 197,700.75, 296,588.39 and 79,381.22 is: 119,086.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,700.75 : 296,588.39 = 79,381.22 : x
  2. Step 2: Convert to fraction form
    197,700.75/296,588.39 = 79,381.22/x
  3. Step 3: Cross multiply
    197,700.75x = 296,588.39 × 79,381.22
  4. Step 4: Simplify right side
    197,700.75x = 23,543,546,356.19
  5. Step 5: Solve for x
    x = 23,543,546,356.19/197,700.75
  6. Step 6: Final answer
    x = 119,086.78

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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.