Home / 214,448.26-321,578.92-72,267.03

Finding the Fourth Proportional to 214,448.26, 321,578.92 and 72,267.03

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Solution

The fourth proportional to 214,448.26, 321,578.92 and 72,267.03 is: 108,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,448.26 : 321,578.92 = 72,267.03 : x
  2. Step 2: Convert to fraction form
    214,448.26/321,578.92 = 72,267.03/x
  3. Step 3: Cross multiply
    214,448.26x = 321,578.92 × 72,267.03
  4. Step 4: Simplify right side
    214,448.26x = 23,239,553,459.01
  5. Step 5: Solve for x
    x = 23,239,553,459.01/214,448.26
  6. Step 6: Final answer
    x = 108,369.05

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1.5x scale

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.