Home / 214,532.40-321,798.60-164,863.20

Finding the Fourth Proportional to 214,532.40, 321,798.60 and 164,863.20

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Solution

The fourth proportional to 214,532.40, 321,798.60 and 164,863.20 is: 247,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,532.40 : 321,798.60 = 164,863.20 : x
  2. Step 2: Convert to fraction form
    214,532.40/321,798.60 = 164,863.20/x
  3. Step 3: Cross multiply
    214,532.40x = 321,798.60 × 164,863.20
  4. Step 4: Simplify right side
    214,532.40x = 53,052,746,951.52
  5. Step 5: Solve for x
    x = 53,052,746,951.52/214,532.40
  6. Step 6: Final answer
    x = 247,294.80

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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.