Home / 408,108.25-611,811.77-141,834.17

Finding the Fourth Proportional to 408,108.25, 611,811.77 and 141,834.17

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Solution

The fourth proportional to 408,108.25, 611,811.77 and 141,834.17 is: 212,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,108.25 : 611,811.77 = 141,834.17 : x
  2. Step 2: Convert to fraction form
    408,108.25/611,811.77 = 141,834.17/x
  3. Step 3: Cross multiply
    408,108.25x = 611,811.77 × 141,834.17
  4. Step 4: Simplify right side
    408,108.25x = 86,775,814,594.18
  5. Step 5: Solve for x
    x = 86,775,814,594.18/408,108.25
  6. Step 6: Final answer
    x = 212,629.41

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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.