Home / 214,888.39-321,889.66-125,872.02

Finding the Fourth Proportional to 214,888.39, 321,889.66 and 125,872.02

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Solution

The fourth proportional to 214,888.39, 321,889.66 and 125,872.02 is: 188,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,888.39 : 321,889.66 = 125,872.02 : x
  2. Step 2: Convert to fraction form
    214,888.39/321,889.66 = 125,872.02/x
  3. Step 3: Cross multiply
    214,888.39x = 321,889.66 × 125,872.02
  4. Step 4: Simplify right side
    214,888.39x = 40,516,901,721.31
  5. Step 5: Solve for x
    x = 40,516,901,721.31/214,888.39
  6. Step 6: Final answer
    x = 188,548.59

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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.