Home / 482,389.76-723,074.13-162,236.85

Finding the Fourth Proportional to 482,389.76, 723,074.13 and 162,236.85

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Solution

The fourth proportional to 482,389.76, 723,074.13 and 162,236.85 is: 243,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,389.76 : 723,074.13 = 162,236.85 : x
  2. Step 2: Convert to fraction form
    482,389.76/723,074.13 = 162,236.85/x
  3. Step 3: Cross multiply
    482,389.76x = 723,074.13 × 162,236.85
  4. Step 4: Simplify right side
    482,389.76x = 117,309,269,167.69
  5. Step 5: Solve for x
    x = 117,309,269,167.69/482,389.76
  6. Step 6: Final answer
    x = 243,183.58

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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.