Home / 214,132.59-321,215.28-56,358.75

Finding the Fourth Proportional to 214,132.59, 321,215.28 and 56,358.75

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Solution

The fourth proportional to 214,132.59, 321,215.28 and 56,358.75 is: 84,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,132.59 : 321,215.28 = 56,358.75 : x
  2. Step 2: Convert to fraction form
    214,132.59/321,215.28 = 56,358.75/x
  3. Step 3: Cross multiply
    214,132.59x = 321,215.28 × 56,358.75
  4. Step 4: Simplify right side
    214,132.59x = 18,103,291,661.70
  5. Step 5: Solve for x
    x = 18,103,291,661.70/214,132.59
  6. Step 6: Final answer
    x = 84,542.44

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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.