Home / 327,877.07-452,490.91-198,906.03

Finding the Fourth Proportional to 327,877.07, 452,490.91 and 198,906.03

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Solution

The fourth proportional to 327,877.07, 452,490.91 and 198,906.03 is: 274,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,877.07 : 452,490.91 = 198,906.03 : x
  2. Step 2: Convert to fraction form
    327,877.07/452,490.91 = 198,906.03/x
  3. Step 3: Cross multiply
    327,877.07x = 452,490.91 × 198,906.03
  4. Step 4: Simplify right side
    327,877.07x = 90,003,170,021.92
  5. Step 5: Solve for x
    x = 90,003,170,021.92/327,877.07
  6. Step 6: Final answer
    x = 274,502.79

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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.