Home / 359,712.03-496,403.79-198,566.69

Finding the Fourth Proportional to 359,712.03, 496,403.79 and 198,566.69

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Solution

The fourth proportional to 359,712.03, 496,403.79 and 198,566.69 is: 274,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,712.03 : 496,403.79 = 198,566.69 : x
  2. Step 2: Convert to fraction form
    359,712.03/496,403.79 = 198,566.69/x
  3. Step 3: Cross multiply
    359,712.03x = 496,403.79 × 198,566.69
  4. Step 4: Simplify right side
    359,712.03x = 98,569,260,260.52
  5. Step 5: Solve for x
    x = 98,569,260,260.52/359,712.03
  6. Step 6: Final answer
    x = 274,022.70

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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.