Home / 214,675.22-321,976.38-56,919.62

Finding the Fourth Proportional to 214,675.22, 321,976.38 and 56,919.62

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Solution

The fourth proportional to 214,675.22, 321,976.38 and 56,919.62 is: 85,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,675.22 : 321,976.38 = 56,919.62 : x
  2. Step 2: Convert to fraction form
    214,675.22/321,976.38 = 56,919.62/x
  3. Step 3: Cross multiply
    214,675.22x = 321,976.38 × 56,919.62
  4. Step 4: Simplify right side
    214,675.22x = 18,326,774,216.97
  5. Step 5: Solve for x
    x = 18,326,774,216.97/214,675.22
  6. Step 6: Final answer
    x = 85,369.77

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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.