Home / 458,503.26-687,533.69-192,192.27

Finding the Fourth Proportional to 458,503.26, 687,533.69 and 192,192.27

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Solution

The fourth proportional to 458,503.26, 687,533.69 and 192,192.27 is: 288,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,503.26 : 687,533.69 = 192,192.27 : x
  2. Step 2: Convert to fraction form
    458,503.26/687,533.69 = 192,192.27/x
  3. Step 3: Cross multiply
    458,503.26x = 687,533.69 × 192,192.27
  4. Step 4: Simplify right side
    458,503.26x = 132,138,659,621.62
  5. Step 5: Solve for x
    x = 132,138,659,621.62/458,503.26
  6. Step 6: Final answer
    x = 288,195.68

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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.