Home / 214,888.73-321,890.13-125,872.37

Finding the Fourth Proportional to 214,888.73, 321,890.13 and 125,872.37

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Solution

The fourth proportional to 214,888.73, 321,890.13 and 125,872.37 is: 188,549.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,888.73 : 321,890.13 = 125,872.37 : x
  2. Step 2: Convert to fraction form
    214,888.73/321,890.13 = 125,872.37/x
  3. Step 3: Cross multiply
    214,888.73x = 321,890.13 × 125,872.37
  4. Step 4: Simplify right side
    214,888.73x = 40,517,071,933.26
  5. Step 5: Solve for x
    x = 40,517,071,933.26/214,888.73
  6. Step 6: Final answer
    x = 188,549.08

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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.