Home / 198,374.22-273,755.58-107,729.55

Finding the Fourth Proportional to 198,374.22, 273,755.58 and 107,729.55

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Solution

The fourth proportional to 198,374.22, 273,755.58 and 107,729.55 is: 148,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,374.22 : 273,755.58 = 107,729.55 : x
  2. Step 2: Convert to fraction form
    198,374.22/273,755.58 = 107,729.55/x
  3. Step 3: Cross multiply
    198,374.22x = 273,755.58 × 107,729.55
  4. Step 4: Simplify right side
    198,374.22x = 29,491,565,443.39
  5. Step 5: Solve for x
    x = 29,491,565,443.39/198,374.22
  6. Step 6: Final answer
    x = 148,666.32

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1.5x scale

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.