Home / 198,483.20-273,907.14-107,839.52

Finding the Fourth Proportional to 198,483.20, 273,907.14 and 107,839.52

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Solution

The fourth proportional to 198,483.20, 273,907.14 and 107,839.52 is: 148,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,483.20 : 273,907.14 = 107,839.52 : x
  2. Step 2: Convert to fraction form
    198,483.20/273,907.14 = 107,839.52/x
  3. Step 3: Cross multiply
    198,483.20x = 273,907.14 × 107,839.52
  4. Step 4: Simplify right side
    198,483.20x = 29,538,014,502.17
  5. Step 5: Solve for x
    x = 29,538,014,502.17/198,483.20
  6. Step 6: Final answer
    x = 148,818.71

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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.