Home / 214,531.05-321,796.58-54,606.68

Finding the Fourth Proportional to 214,531.05, 321,796.58 and 54,606.68

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Solution

The fourth proportional to 214,531.05, 321,796.58 and 54,606.68 is: 81,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,531.05 : 321,796.58 = 54,606.68 : x
  2. Step 2: Convert to fraction form
    214,531.05/321,796.58 = 54,606.68/x
  3. Step 3: Cross multiply
    214,531.05x = 321,796.58 × 54,606.68
  4. Step 4: Simplify right side
    214,531.05x = 17,572,240,987.14
  5. Step 5: Solve for x
    x = 17,572,240,987.14/214,531.05
  6. Step 6: Final answer
    x = 81,910.01

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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.