Home / 214,620.91-321,937.47-56,849.38

Finding the Fourth Proportional to 214,620.91, 321,937.47 and 56,849.38

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Solution

The fourth proportional to 214,620.91, 321,937.47 and 56,849.38 is: 85,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,620.91 : 321,937.47 = 56,849.38 : x
  2. Step 2: Convert to fraction form
    214,620.91/321,937.47 = 56,849.38/x
  3. Step 3: Cross multiply
    214,620.91x = 321,937.47 × 56,849.38
  4. Step 4: Simplify right side
    214,620.91x = 18,301,944,763.42
  5. Step 5: Solve for x
    x = 18,301,944,763.42/214,620.91
  6. Step 6: Final answer
    x = 85,275.68

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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.