Home / 214,403.10-321,620.13-56,629.50

Finding the Fourth Proportional to 214,403.10, 321,620.13 and 56,629.50

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Solution

The fourth proportional to 214,403.10, 321,620.13 and 56,629.50 is: 84,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,403.10 : 321,620.13 = 56,629.50 : x
  2. Step 2: Convert to fraction form
    214,403.10/321,620.13 = 56,629.50/x
  3. Step 3: Cross multiply
    214,403.10x = 321,620.13 × 56,629.50
  4. Step 4: Simplify right side
    214,403.10x = 18,213,187,151.84
  5. Step 5: Solve for x
    x = 18,213,187,151.84/214,403.10
  6. Step 6: Final answer
    x = 84,948.34

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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.