Home / 445,111.68-667,260.16-192,233.60

Finding the Fourth Proportional to 445,111.68, 667,260.16 and 192,233.60

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Solution

The fourth proportional to 445,111.68, 667,260.16 and 192,233.60 is: 288,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,111.68 : 667,260.16 = 192,233.60 : x
  2. Step 2: Convert to fraction form
    445,111.68/667,260.16 = 192,233.60/x
  3. Step 3: Cross multiply
    445,111.68x = 667,260.16 × 192,233.60
  4. Step 4: Simplify right side
    445,111.68x = 128,269,822,693.38
  5. Step 5: Solve for x
    x = 128,269,822,693.38/445,111.68
  6. Step 6: Final answer
    x = 288,174.47

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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.