Home / 213,882.54-321,405.39-114,113.22

Finding the Fourth Proportional to 213,882.54, 321,405.39 and 114,113.22

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Solution

The fourth proportional to 213,882.54, 321,405.39 and 114,113.22 is: 171,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,882.54 : 321,405.39 = 114,113.22 : x
  2. Step 2: Convert to fraction form
    213,882.54/321,405.39 = 114,113.22/x
  3. Step 3: Cross multiply
    213,882.54x = 321,405.39 × 114,113.22
  4. Step 4: Simplify right side
    213,882.54x = 36,676,603,978.26
  5. Step 5: Solve for x
    x = 36,676,603,978.26/213,882.54
  6. Step 6: Final answer
    x = 171,480.12

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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.