Home / 198,233.21-273,562.10-107,589.18

Finding the Fourth Proportional to 198,233.21, 273,562.10 and 107,589.18

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Solution

The fourth proportional to 198,233.21, 273,562.10 and 107,589.18 is: 148,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,233.21 : 273,562.10 = 107,589.18 : x
  2. Step 2: Convert to fraction form
    198,233.21/273,562.10 = 107,589.18/x
  3. Step 3: Cross multiply
    198,233.21x = 273,562.10 × 107,589.18
  4. Step 4: Simplify right side
    198,233.21x = 29,432,321,535.90
  5. Step 5: Solve for x
    x = 29,432,321,535.90/198,233.21
  6. Step 6: Final answer
    x = 148,473.21

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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.