Home / 231,047.10-318,669.44-198,835.29

Finding the Fourth Proportional to 231,047.10, 318,669.44 and 198,835.29

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Solution

The fourth proportional to 231,047.10, 318,669.44 and 198,835.29 is: 274,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,047.10 : 318,669.44 = 198,835.29 : x
  2. Step 2: Convert to fraction form
    231,047.10/318,669.44 = 198,835.29/x
  3. Step 3: Cross multiply
    231,047.10x = 318,669.44 × 198,835.29
  4. Step 4: Simplify right side
    231,047.10x = 63,362,729,522.36
  5. Step 5: Solve for x
    x = 63,362,729,522.36/231,047.10
  6. Step 6: Final answer
    x = 274,241.61

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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.