Home / 214,317.38-321,493.61-107,646.49

Finding the Fourth Proportional to 214,317.38, 321,493.61 and 107,646.49

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Solution

The fourth proportional to 214,317.38, 321,493.61 and 107,646.49 is: 161,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,317.38 : 321,493.61 = 107,646.49 : x
  2. Step 2: Convert to fraction form
    214,317.38/321,493.61 = 107,646.49/x
  3. Step 3: Cross multiply
    214,317.38x = 321,493.61 × 107,646.49
  4. Step 4: Simplify right side
    214,317.38x = 34,607,658,673.93
  5. Step 5: Solve for x
    x = 34,607,658,673.93/214,317.38
  6. Step 6: Final answer
    x = 161,478.54

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1.5x scale

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.