Home / 214,489.04-321,735.38-54,565.12

Finding the Fourth Proportional to 214,489.04, 321,735.38 and 54,565.12

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Solution

The fourth proportional to 214,489.04, 321,735.38 and 54,565.12 is: 81,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,489.04 : 321,735.38 = 54,565.12 : x
  2. Step 2: Convert to fraction form
    214,489.04/321,735.38 = 54,565.12/x
  3. Step 3: Cross multiply
    214,489.04x = 321,735.38 × 54,565.12
  4. Step 4: Simplify right side
    214,489.04x = 17,555,529,617.95
  5. Step 5: Solve for x
    x = 17,555,529,617.95/214,489.04
  6. Step 6: Final answer
    x = 81,848.14

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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.