Home / 359,936.13-496,669.50-198,781.56

Finding the Fourth Proportional to 359,936.13, 496,669.50 and 198,781.56

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Solution

The fourth proportional to 359,936.13, 496,669.50 and 198,781.56 is: 274,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,936.13 : 496,669.50 = 198,781.56 : x
  2. Step 2: Convert to fraction form
    359,936.13/496,669.50 = 198,781.56/x
  3. Step 3: Cross multiply
    359,936.13x = 496,669.50 × 198,781.56
  4. Step 4: Simplify right side
    359,936.13x = 98,728,738,014.42
  5. Step 5: Solve for x
    x = 98,728,738,014.42/359,936.13
  6. Step 6: Final answer
    x = 274,295.16

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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.