Home / 214,726.07-321,989.10-79,696.10

Finding the Fourth Proportional to 214,726.07, 321,989.10 and 79,696.10

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Solution

The fourth proportional to 214,726.07, 321,989.10 and 79,696.10 is: 119,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,726.07 : 321,989.10 = 79,696.10 : x
  2. Step 2: Convert to fraction form
    214,726.07/321,989.10 = 79,696.10/x
  3. Step 3: Cross multiply
    214,726.07x = 321,989.10 × 79,696.10
  4. Step 4: Simplify right side
    214,726.07x = 25,661,273,902.56
  5. Step 5: Solve for x
    x = 25,661,273,902.56/214,726.07
  6. Step 6: Final answer
    x = 119,507.03

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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.