Home / 198,216.96-273,536-108,792.32

Finding the Fourth Proportional to 198,216.96, 273,536 and 108,792.32

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Solution

The fourth proportional to 198,216.96, 273,536 and 108,792.32 is: 150,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,216.96 : 273,536 = 108,792.32 : x
  2. Step 2: Convert to fraction form
    198,216.96/273,536 = 108,792.32/x
  3. Step 3: Cross multiply
    198,216.96x = 273,536 × 108,792.32
  4. Step 4: Simplify right side
    198,216.96x = 29,758,616,043.52
  5. Step 5: Solve for x
    x = 29,758,616,043.52/198,216.96
  6. Step 6: Final answer
    x = 150,131.53

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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.