Home / 385,273.20-531,759.96-234,418.80

Finding the Fourth Proportional to 385,273.20, 531,759.96 and 234,418.80

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Solution

The fourth proportional to 385,273.20, 531,759.96 and 234,418.80 is: 323,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,273.20 : 531,759.96 = 234,418.80 : x
  2. Step 2: Convert to fraction form
    385,273.20/531,759.96 = 234,418.80/x
  3. Step 3: Cross multiply
    385,273.20x = 531,759.96 × 234,418.80
  4. Step 4: Simplify right side
    385,273.20x = 124,654,531,711.25
  5. Step 5: Solve for x
    x = 124,654,531,711.25/385,273.20
  6. Step 6: Final answer
    x = 323,548.41

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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.