Home / 445,867.62-668,833.23-179,629.53

Finding the Fourth Proportional to 445,867.62, 668,833.23 and 179,629.53

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Solution

The fourth proportional to 445,867.62, 668,833.23 and 179,629.53 is: 269,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,867.62 : 668,833.23 = 179,629.53 : x
  2. Step 2: Convert to fraction form
    445,867.62/668,833.23 = 179,629.53/x
  3. Step 3: Cross multiply
    445,867.62x = 668,833.23 × 179,629.53
  4. Step 4: Simplify right side
    445,867.62x = 120,142,198,753.28
  5. Step 5: Solve for x
    x = 120,142,198,753.28/445,867.62
  6. Step 6: Final answer
    x = 269,457.11

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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.