Home / 214,113.12-321,076.56-114,251.20

Finding the Fourth Proportional to 214,113.12, 321,076.56 and 114,251.20

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Solution

The fourth proportional to 214,113.12, 321,076.56 and 114,251.20 is: 171,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,113.12 : 321,076.56 = 114,251.20 : x
  2. Step 2: Convert to fraction form
    214,113.12/321,076.56 = 114,251.20/x
  3. Step 3: Cross multiply
    214,113.12x = 321,076.56 × 114,251.20
  4. Step 4: Simplify right side
    214,113.12x = 36,683,382,271.87
  5. Step 5: Solve for x
    x = 36,683,382,271.87/214,113.12
  6. Step 6: Final answer
    x = 171,327.11

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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.