Home / 218,943.14-328,414.72-52,731.14

Finding the Fourth Proportional to 218,943.14, 328,414.72 and 52,731.14

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Solution

The fourth proportional to 218,943.14, 328,414.72 and 52,731.14 is: 79,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,943.14 : 328,414.72 = 52,731.14 : x
  2. Step 2: Convert to fraction form
    218,943.14/328,414.72 = 52,731.14/x
  3. Step 3: Cross multiply
    218,943.14x = 328,414.72 × 52,731.14
  4. Step 4: Simplify right side
    218,943.14x = 17,317,682,578.38
  5. Step 5: Solve for x
    x = 17,317,682,578.38/218,943.14
  6. Step 6: Final answer
    x = 79,096.71

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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.