Home / 395,890.04-593,846.40-143,193.80

Finding the Fourth Proportional to 395,890.04, 593,846.40 and 143,193.80

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Solution

The fourth proportional to 395,890.04, 593,846.40 and 143,193.80 is: 214,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,890.04 : 593,846.40 = 143,193.80 : x
  2. Step 2: Convert to fraction form
    395,890.04/593,846.40 = 143,193.80/x
  3. Step 3: Cross multiply
    395,890.04x = 593,846.40 × 143,193.80
  4. Step 4: Simplify right side
    395,890.04x = 85,035,122,632.32
  5. Step 5: Solve for x
    x = 85,035,122,632.32/395,890.04
  6. Step 6: Final answer
    x = 214,794.80

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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.