Home / 395,931.04-593,907.90-143,234.80

Finding the Fourth Proportional to 395,931.04, 593,907.90 and 143,234.80

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Solution

The fourth proportional to 395,931.04, 593,907.90 and 143,234.80 is: 214,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,931.04 : 593,907.90 = 143,234.80 : x
  2. Step 2: Convert to fraction form
    395,931.04/593,907.90 = 143,234.80/x
  3. Step 3: Cross multiply
    395,931.04x = 593,907.90 × 143,234.80
  4. Step 4: Simplify right side
    395,931.04x = 85,068,279,274.92
  5. Step 5: Solve for x
    x = 85,068,279,274.92/395,931.04
  6. Step 6: Final answer
    x = 214,856.30

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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.