Home / 214,608.48-321,698.40-107,665.68

Finding the Fourth Proportional to 214,608.48, 321,698.40 and 107,665.68

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Solution

The fourth proportional to 214,608.48, 321,698.40 and 107,665.68 is: 161,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,608.48 : 321,698.40 = 107,665.68 : x
  2. Step 2: Convert to fraction form
    214,608.48/321,698.40 = 107,665.68/x
  3. Step 3: Cross multiply
    214,608.48x = 321,698.40 × 107,665.68
  4. Step 4: Simplify right side
    214,608.48x = 34,635,876,990.91
  5. Step 5: Solve for x
    x = 34,635,876,990.91/214,608.48
  6. Step 6: Final answer
    x = 161,391.00

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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.