Home / 198,093.02-273,366.77-107,448.75

Finding the Fourth Proportional to 198,093.02, 273,366.77 and 107,448.75

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Solution

The fourth proportional to 198,093.02, 273,366.77 and 107,448.75 is: 148,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,093.02 : 273,366.77 = 107,448.75 : x
  2. Step 2: Convert to fraction form
    198,093.02/273,366.77 = 107,448.75/x
  3. Step 3: Cross multiply
    198,093.02x = 273,366.77 × 107,448.75
  4. Step 4: Simplify right side
    198,093.02x = 29,372,917,190.79
  5. Step 5: Solve for x
    x = 29,372,917,190.79/198,093.02
  6. Step 6: Final answer
    x = 148,278.41

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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.