Home / 411,834.27-618,150.87-198,752.16

Finding the Fourth Proportional to 411,834.27, 618,150.87 and 198,752.16

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Solution

The fourth proportional to 411,834.27, 618,150.87 and 198,752.16 is: 298,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,834.27 : 618,150.87 = 198,752.16 : x
  2. Step 2: Convert to fraction form
    411,834.27/618,150.87 = 198,752.16/x
  3. Step 3: Cross multiply
    411,834.27x = 618,150.87 × 198,752.16
  4. Step 4: Simplify right side
    411,834.27x = 122,858,820,618.38
  5. Step 5: Solve for x
    x = 122,858,820,618.38/411,834.27
  6. Step 6: Final answer
    x = 298,321.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.