Home / 284,198.69-391,651.61-203,486.04

Finding the Fourth Proportional to 284,198.69, 391,651.61 and 203,486.04

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Solution

The fourth proportional to 284,198.69, 391,651.61 and 203,486.04 is: 280,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,198.69 : 391,651.61 = 203,486.04 : x
  2. Step 2: Convert to fraction form
    284,198.69/391,651.61 = 203,486.04/x
  3. Step 3: Cross multiply
    284,198.69x = 391,651.61 × 203,486.04
  4. Step 4: Simplify right side
    284,198.69x = 79,695,634,161.09
  5. Step 5: Solve for x
    x = 79,695,634,161.09/284,198.69
  6. Step 6: Final answer
    x = 280,422.24

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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.