Home / 214,706.21-321,985.38-108,048.95

Finding the Fourth Proportional to 214,706.21, 321,985.38 and 108,048.95

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Solution

The fourth proportional to 214,706.21, 321,985.38 and 108,048.95 is: 162,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,706.21 : 321,985.38 = 108,048.95 : x
  2. Step 2: Convert to fraction form
    214,706.21/321,985.38 = 108,048.95/x
  3. Step 3: Cross multiply
    214,706.21x = 321,985.38 × 108,048.95
  4. Step 4: Simplify right side
    214,706.21x = 34,790,180,614.42
  5. Step 5: Solve for x
    x = 34,790,180,614.42/214,706.21
  6. Step 6: Final answer
    x = 162,036.21

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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.