Home / 262,325.25-393,491.39-82,404.81

Finding the Fourth Proportional to 262,325.25, 393,491.39 and 82,404.81

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Solution

The fourth proportional to 262,325.25, 393,491.39 and 82,404.81 is: 123,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,325.25 : 393,491.39 = 82,404.81 : x
  2. Step 2: Convert to fraction form
    262,325.25/393,491.39 = 82,404.81/x
  3. Step 3: Cross multiply
    262,325.25x = 393,491.39 × 82,404.81
  4. Step 4: Simplify right side
    262,325.25x = 32,425,582,817.56
  5. Step 5: Solve for x
    x = 32,425,582,817.56/262,325.25
  6. Step 6: Final answer
    x = 123,608.32

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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.