Home / 299,964.07-414,054.66-172,690.39

Finding the Fourth Proportional to 299,964.07, 414,054.66 and 172,690.39

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Solution

The fourth proportional to 299,964.07, 414,054.66 and 172,690.39 is: 238,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,964.07 : 414,054.66 = 172,690.39 : x
  2. Step 2: Convert to fraction form
    299,964.07/414,054.66 = 172,690.39/x
  3. Step 3: Cross multiply
    299,964.07x = 414,054.66 × 172,690.39
  4. Step 4: Simplify right side
    299,964.07x = 71,503,260,716.72
  5. Step 5: Solve for x
    x = 71,503,260,716.72/299,964.07
  6. Step 6: Final answer
    x = 238,372.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.