Home / 279,187.07-418,614.14-189,340.25

Finding the Fourth Proportional to 279,187.07, 418,614.14 and 189,340.25

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Solution

The fourth proportional to 279,187.07, 418,614.14 and 189,340.25 is: 283,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,187.07 : 418,614.14 = 189,340.25 : x
  2. Step 2: Convert to fraction form
    279,187.07/418,614.14 = 189,340.25/x
  3. Step 3: Cross multiply
    279,187.07x = 418,614.14 × 189,340.25
  4. Step 4: Simplify right side
    279,187.07x = 79,260,504,301.41
  5. Step 5: Solve for x
    x = 79,260,504,301.41/279,187.07
  6. Step 6: Final answer
    x = 283,897.48

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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.