Home / 198,271.52-273,610.32-107,627.68

Finding the Fourth Proportional to 198,271.52, 273,610.32 and 107,627.68

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Solution

The fourth proportional to 198,271.52, 273,610.32 and 107,627.68 is: 148,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,271.52 : 273,610.32 = 107,627.68 : x
  2. Step 2: Convert to fraction form
    198,271.52/273,610.32 = 107,627.68/x
  3. Step 3: Cross multiply
    198,271.52x = 273,610.32 × 107,627.68
  4. Step 4: Simplify right side
    198,271.52x = 29,448,043,965.66
  5. Step 5: Solve for x
    x = 29,448,043,965.66/198,271.52
  6. Step 6: Final answer
    x = 148,523.82

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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.