Home / 395,910.04-593,876.40-143,213.80

Finding the Fourth Proportional to 395,910.04, 593,876.40 and 143,213.80

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Solution

The fourth proportional to 395,910.04, 593,876.40 and 143,213.80 is: 214,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,910.04 : 593,876.40 = 143,213.80 : x
  2. Step 2: Convert to fraction form
    395,910.04/593,876.40 = 143,213.80/x
  3. Step 3: Cross multiply
    395,910.04x = 593,876.40 × 143,213.80
  4. Step 4: Simplify right side
    395,910.04x = 85,051,295,974.32
  5. Step 5: Solve for x
    x = 85,051,295,974.32/395,910.04
  6. Step 6: Final answer
    x = 214,824.80

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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.