Home / 359,514.13-496,139.89-198,379.56

Finding the Fourth Proportional to 359,514.13, 496,139.89 and 198,379.56

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Solution

The fourth proportional to 359,514.13, 496,139.89 and 198,379.56 is: 273,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,514.13 : 496,139.89 = 198,379.56 : x
  2. Step 2: Convert to fraction form
    359,514.13/496,139.89 = 198,379.56/x
  3. Step 3: Cross multiply
    359,514.13x = 496,139.89 × 198,379.56
  4. Step 4: Simplify right side
    359,514.13x = 98,424,013,076.65
  5. Step 5: Solve for x
    x = 98,424,013,076.65/359,514.13
  6. Step 6: Final answer
    x = 273,769.53

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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.