Home / 214,116.15-321,179.36-71,963.49

Finding the Fourth Proportional to 214,116.15, 321,179.36 and 71,963.49

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Solution

The fourth proportional to 214,116.15, 321,179.36 and 71,963.49 is: 107,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,116.15 : 321,179.36 = 71,963.49 : x
  2. Step 2: Convert to fraction form
    214,116.15/321,179.36 = 71,963.49/x
  3. Step 3: Cross multiply
    214,116.15x = 321,179.36 × 71,963.49
  4. Step 4: Simplify right side
    214,116.15x = 23,113,187,301.75
  5. Step 5: Solve for x
    x = 23,113,187,301.75/214,116.15
  6. Step 6: Final answer
    x = 107,946.96

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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.