Home / 198,426.18-273,772.53-188,453.46

Finding the Fourth Proportional to 198,426.18, 273,772.53 and 188,453.46

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Solution

The fourth proportional to 198,426.18, 273,772.53 and 188,453.46 is: 260,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,426.18 : 273,772.53 = 188,453.46 : x
  2. Step 2: Convert to fraction form
    198,426.18/273,772.53 = 188,453.46/x
  3. Step 3: Cross multiply
    198,426.18x = 273,772.53 × 188,453.46
  4. Step 4: Simplify right side
    198,426.18x = 51,593,380,531.45
  5. Step 5: Solve for x
    x = 51,593,380,531.45/198,426.18
  6. Step 6: Final answer
    x = 260,012.97

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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.