Home / 198,164.57-273,466.74-107,520.52

Finding the Fourth Proportional to 198,164.57, 273,466.74 and 107,520.52

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Solution

The fourth proportional to 198,164.57, 273,466.74 and 107,520.52 is: 148,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,164.57 : 273,466.74 = 107,520.52 : x
  2. Step 2: Convert to fraction form
    198,164.57/273,466.74 = 107,520.52/x
  3. Step 3: Cross multiply
    198,164.57x = 273,466.74 × 107,520.52
  4. Step 4: Simplify right side
    198,164.57x = 29,403,286,087.50
  5. Step 5: Solve for x
    x = 29,403,286,087.50/198,164.57
  6. Step 6: Final answer
    x = 148,378.12

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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.