Home / 214,640.03-321,856.35-125,922.35

Finding the Fourth Proportional to 214,640.03, 321,856.35 and 125,922.35

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Solution

The fourth proportional to 214,640.03, 321,856.35 and 125,922.35 is: 188,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,640.03 : 321,856.35 = 125,922.35 : x
  2. Step 2: Convert to fraction form
    214,640.03/321,856.35 = 125,922.35/x
  3. Step 3: Cross multiply
    214,640.03x = 321,856.35 × 125,922.35
  4. Step 4: Simplify right side
    214,640.03x = 40,528,906,345.14
  5. Step 5: Solve for x
    x = 40,528,906,345.14/214,640.03
  6. Step 6: Final answer
    x = 188,822.69

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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.