Home / 198,276.88-273,627.08-107,632.87

Finding the Fourth Proportional to 198,276.88, 273,627.08 and 107,632.87

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Solution

The fourth proportional to 198,276.88, 273,627.08 and 107,632.87 is: 148,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,276.88 : 273,627.08 = 107,632.87 : x
  2. Step 2: Convert to fraction form
    198,276.88/273,627.08 = 107,632.87/x
  3. Step 3: Cross multiply
    198,276.88x = 273,627.08 × 107,632.87
  4. Step 4: Simplify right side
    198,276.88x = 29,451,267,930.12
  5. Step 5: Solve for x
    x = 29,451,267,930.12/198,276.88
  6. Step 6: Final answer
    x = 148,536.07

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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.