Home / 214,158.43-321,382.95-114,390.28

Finding the Fourth Proportional to 214,158.43, 321,382.95 and 114,390.28

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Solution

The fourth proportional to 214,158.43, 321,382.95 and 114,390.28 is: 171,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,158.43 : 321,382.95 = 114,390.28 : x
  2. Step 2: Convert to fraction form
    214,158.43/321,382.95 = 114,390.28/x
  3. Step 3: Cross multiply
    214,158.43x = 321,382.95 × 114,390.28
  4. Step 4: Simplify right side
    214,158.43x = 36,763,085,637.73
  5. Step 5: Solve for x
    x = 36,763,085,637.73/214,158.43
  6. Step 6: Final answer
    x = 171,663.03

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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.