Home / 492,183.20-738,058.80-225,855.20

Finding the Fourth Proportional to 492,183.20, 738,058.80 and 225,855.20

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Solution

The fourth proportional to 492,183.20, 738,058.80 and 225,855.20 is: 338,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,183.20 : 738,058.80 = 225,855.20 : x
  2. Step 2: Convert to fraction form
    492,183.20/738,058.80 = 225,855.20/x
  3. Step 3: Cross multiply
    492,183.20x = 738,058.80 × 225,855.20
  4. Step 4: Simplify right side
    492,183.20x = 166,694,417,885.76
  5. Step 5: Solve for x
    x = 166,694,417,885.76/492,183.20
  6. Step 6: Final answer
    x = 338,683.68

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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.