Home / 395,920.04-593,891.40-143,223.80

Finding the Fourth Proportional to 395,920.04, 593,891.40 and 143,223.80

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Solution

The fourth proportional to 395,920.04, 593,891.40 and 143,223.80 is: 214,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,920.04 : 593,891.40 = 143,223.80 : x
  2. Step 2: Convert to fraction form
    395,920.04/593,891.40 = 143,223.80/x
  3. Step 3: Cross multiply
    395,920.04x = 593,891.40 × 143,223.80
  4. Step 4: Simplify right side
    395,920.04x = 85,059,383,095.32
  5. Step 5: Solve for x
    x = 85,059,383,095.32/395,920.04
  6. Step 6: Final answer
    x = 214,839.80

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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.