Home / 359,939.97-496,707.66-198,791.55

Finding the Fourth Proportional to 359,939.97, 496,707.66 and 198,791.55

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Solution

The fourth proportional to 359,939.97, 496,707.66 and 198,791.55 is: 274,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,939.97 : 496,707.66 = 198,791.55 : x
  2. Step 2: Convert to fraction form
    359,939.97/496,707.66 = 198,791.55/x
  3. Step 3: Cross multiply
    359,939.97x = 496,707.66 × 198,791.55
  4. Step 4: Simplify right side
    359,939.97x = 98,741,285,628.27
  5. Step 5: Solve for x
    x = 98,741,285,628.27/359,939.97
  6. Step 6: Final answer
    x = 274,327.09

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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.