Home / 214,453.80-321,680.61-88,072.47

Finding the Fourth Proportional to 214,453.80, 321,680.61 and 88,072.47

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Solution

The fourth proportional to 214,453.80, 321,680.61 and 88,072.47 is: 132,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,453.80 : 321,680.61 = 88,072.47 : x
  2. Step 2: Convert to fraction form
    214,453.80/321,680.61 = 88,072.47/x
  3. Step 3: Cross multiply
    214,453.80x = 321,680.61 × 88,072.47
  4. Step 4: Simplify right side
    214,453.80x = 28,331,205,873.81
  5. Step 5: Solve for x
    x = 28,331,205,873.81/214,453.80
  6. Step 6: Final answer
    x = 132,108.67

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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.