Home / 198,468.53-273,887.88-107,824.47

Finding the Fourth Proportional to 198,468.53, 273,887.88 and 107,824.47

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Solution

The fourth proportional to 198,468.53, 273,887.88 and 107,824.47 is: 148,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,468.53 : 273,887.88 = 107,824.47 : x
  2. Step 2: Convert to fraction form
    198,468.53/273,887.88 = 107,824.47/x
  3. Step 3: Cross multiply
    198,468.53x = 273,887.88 × 107,824.47
  4. Step 4: Simplify right side
    198,468.53x = 29,531,815,500.42
  5. Step 5: Solve for x
    x = 29,531,815,500.42/198,468.53
  6. Step 6: Final answer
    x = 148,798.48

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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.