Home / 359,530.18-496,151.07-198,385.11

Finding the Fourth Proportional to 359,530.18, 496,151.07 and 198,385.11

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Solution

The fourth proportional to 359,530.18, 496,151.07 and 198,385.11 is: 273,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,530.18 : 496,151.07 = 198,385.11 : x
  2. Step 2: Convert to fraction form
    359,530.18/496,151.07 = 198,385.11/x
  3. Step 3: Cross multiply
    359,530.18x = 496,151.07 × 198,385.11
  4. Step 4: Simplify right side
    359,530.18x = 98,428,981,125.89
  5. Step 5: Solve for x
    x = 98,428,981,125.89/359,530.18
  6. Step 6: Final answer
    x = 273,771.13

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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.