Home / 193,985.96-290,979.30-53,744.96

Finding the Fourth Proportional to 193,985.96, 290,979.30 and 53,744.96

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Solution

The fourth proportional to 193,985.96, 290,979.30 and 53,744.96 is: 80,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,985.96 : 290,979.30 = 53,744.96 : x
  2. Step 2: Convert to fraction form
    193,985.96/290,979.30 = 53,744.96/x
  3. Step 3: Cross multiply
    193,985.96x = 290,979.30 × 53,744.96
  4. Step 4: Simplify right side
    193,985.96x = 15,638,670,839.33
  5. Step 5: Solve for x
    x = 15,638,670,839.33/193,985.96
  6. Step 6: Final answer
    x = 80,617.54

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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.