Home / 198,340.36-273,709.48-108,916.36

Finding the Fourth Proportional to 198,340.36, 273,709.48 and 108,916.36

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Solution

The fourth proportional to 198,340.36, 273,709.48 and 108,916.36 is: 150,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,340.36 : 273,709.48 = 108,916.36 : x
  2. Step 2: Convert to fraction form
    198,340.36/273,709.48 = 108,916.36/x
  3. Step 3: Cross multiply
    198,340.36x = 273,709.48 × 108,916.36
  4. Step 4: Simplify right side
    198,340.36x = 29,811,440,259.09
  5. Step 5: Solve for x
    x = 29,811,440,259.09/198,340.36
  6. Step 6: Final answer
    x = 150,304.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.