Home / 214,447.68-321,673.95-74,173.50

Finding the Fourth Proportional to 214,447.68, 321,673.95 and 74,173.50

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Solution

The fourth proportional to 214,447.68, 321,673.95 and 74,173.50 is: 111,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,447.68 : 321,673.95 = 74,173.50 : x
  2. Step 2: Convert to fraction form
    214,447.68/321,673.95 = 74,173.50/x
  3. Step 3: Cross multiply
    214,447.68x = 321,673.95 × 74,173.50
  4. Step 4: Simplify right side
    214,447.68x = 23,859,682,730.33
  5. Step 5: Solve for x
    x = 23,859,682,730.33/214,447.68
  6. Step 6: Final answer
    x = 111,261.09

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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.