Home / 359,815.06-496,564.23-198,669.61

Finding the Fourth Proportional to 359,815.06, 496,564.23 and 198,669.61

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Solution

The fourth proportional to 359,815.06, 496,564.23 and 198,669.61 is: 274,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,815.06 : 496,564.23 = 198,669.61 : x
  2. Step 2: Convert to fraction form
    359,815.06/496,564.23 = 198,669.61/x
  3. Step 3: Cross multiply
    359,815.06x = 496,564.23 × 198,669.61
  4. Step 4: Simplify right side
    359,815.06x = 98,652,221,914.05
  5. Step 5: Solve for x
    x = 98,652,221,914.05/359,815.06
  6. Step 6: Final answer
    x = 274,174.80

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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.