Home / 331,517.93-497,273.22-198,435.33

Finding the Fourth Proportional to 331,517.93, 497,273.22 and 198,435.33

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Solution

The fourth proportional to 331,517.93, 497,273.22 and 198,435.33 is: 297,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,517.93 : 497,273.22 = 198,435.33 : x
  2. Step 2: Convert to fraction form
    331,517.93/497,273.22 = 198,435.33/x
  3. Step 3: Cross multiply
    331,517.93x = 497,273.22 × 198,435.33
  4. Step 4: Simplify right side
    331,517.93x = 98,676,575,510.86
  5. Step 5: Solve for x
    x = 98,676,575,510.86/331,517.93
  6. Step 6: Final answer
    x = 297,650.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.