Home / 198,268.50-273,603.12-107,622.53

Finding the Fourth Proportional to 198,268.50, 273,603.12 and 107,622.53

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Solution

The fourth proportional to 198,268.50, 273,603.12 and 107,622.53 is: 148,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,268.50 : 273,603.12 = 107,622.53 : x
  2. Step 2: Convert to fraction form
    198,268.50/273,603.12 = 107,622.53/x
  3. Step 3: Cross multiply
    198,268.50x = 273,603.12 × 107,622.53
  4. Step 4: Simplify right side
    198,268.50x = 29,445,858,622.28
  5. Step 5: Solve for x
    x = 29,445,858,622.28/198,268.50
  6. Step 6: Final answer
    x = 148,515.06

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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.