Home / 395,983.42-593,712.75-143,230.65

Finding the Fourth Proportional to 395,983.42, 593,712.75 and 143,230.65

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Solution

The fourth proportional to 395,983.42, 593,712.75 and 143,230.65 is: 214,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,983.42 : 593,712.75 = 143,230.65 : x
  2. Step 2: Convert to fraction form
    395,983.42/593,712.75 = 143,230.65/x
  3. Step 3: Cross multiply
    395,983.42x = 593,712.75 × 143,230.65
  4. Step 4: Simplify right side
    395,983.42x = 85,037,861,406.48
  5. Step 5: Solve for x
    x = 85,037,861,406.48/395,983.42
  6. Step 6: Final answer
    x = 214,751.07

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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.