Home / 268,788.83-402,901.97-100,241.33

Finding the Fourth Proportional to 268,788.83, 402,901.97 and 100,241.33

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Solution

The fourth proportional to 268,788.83, 402,901.97 and 100,241.33 is: 150,257.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,788.83 : 402,901.97 = 100,241.33 : x
  2. Step 2: Convert to fraction form
    268,788.83/402,901.97 = 100,241.33/x
  3. Step 3: Cross multiply
    268,788.83x = 402,901.97 × 100,241.33
  4. Step 4: Simplify right side
    268,788.83x = 40,387,426,816.70
  5. Step 5: Solve for x
    x = 40,387,426,816.70/268,788.83
  6. Step 6: Final answer
    x = 150,257.09

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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.