Home / 214,146.87-321,109.74-94,155.90

Finding the Fourth Proportional to 214,146.87, 321,109.74 and 94,155.90

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Solution

The fourth proportional to 214,146.87, 321,109.74 and 94,155.90 is: 141,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,146.87 : 321,109.74 = 94,155.90 : x
  2. Step 2: Convert to fraction form
    214,146.87/321,109.74 = 94,155.90/x
  3. Step 3: Cross multiply
    214,146.87x = 321,109.74 × 94,155.90
  4. Step 4: Simplify right side
    214,146.87x = 30,234,376,568.47
  5. Step 5: Solve for x
    x = 30,234,376,568.47/214,146.87
  6. Step 6: Final answer
    x = 141,185.24

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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.