Home / 193,914.51-290,878.13-53,661.39

Finding the Fourth Proportional to 193,914.51, 290,878.13 and 53,661.39

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Solution

The fourth proportional to 193,914.51, 290,878.13 and 53,661.39 is: 80,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,914.51 : 290,878.13 = 53,661.39 : x
  2. Step 2: Convert to fraction form
    193,914.51/290,878.13 = 53,661.39/x
  3. Step 3: Cross multiply
    193,914.51x = 290,878.13 × 53,661.39
  4. Step 4: Simplify right side
    193,914.51x = 15,608,924,508.09
  5. Step 5: Solve for x
    x = 15,608,924,508.09/193,914.51
  6. Step 6: Final answer
    x = 80,493.84

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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.