Home / 193,680.39-290,537.31-53,439.02

Finding the Fourth Proportional to 193,680.39, 290,537.31 and 53,439.02

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Solution

The fourth proportional to 193,680.39, 290,537.31 and 53,439.02 is: 80,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,680.39 : 290,537.31 = 53,439.02 : x
  2. Step 2: Convert to fraction form
    193,680.39/290,537.31 = 53,439.02/x
  3. Step 3: Cross multiply
    193,680.39x = 290,537.31 × 53,439.02
  4. Step 4: Simplify right side
    193,680.39x = 15,526,029,119.84
  5. Step 5: Solve for x
    x = 15,526,029,119.84/193,680.39
  6. Step 6: Final answer
    x = 80,163.14

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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.