Home / 321,821.11-482,735.22-97,183.45

Finding the Fourth Proportional to 321,821.11, 482,735.22 and 97,183.45

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Solution

The fourth proportional to 321,821.11, 482,735.22 and 97,183.45 is: 145,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,821.11 : 482,735.22 = 97,183.45 : x
  2. Step 2: Convert to fraction form
    321,821.11/482,735.22 = 97,183.45/x
  3. Step 3: Cross multiply
    321,821.11x = 482,735.22 × 97,183.45
  4. Step 4: Simplify right side
    321,821.11x = 46,913,874,116.11
  5. Step 5: Solve for x
    x = 46,913,874,116.11/321,821.11
  6. Step 6: Final answer
    x = 145,776.25

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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.