Home / 193,905.56-290,849.88-60,782.78

Finding the Fourth Proportional to 193,905.56, 290,849.88 and 60,782.78

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Solution

The fourth proportional to 193,905.56, 290,849.88 and 60,782.78 is: 91,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,905.56 : 290,849.88 = 60,782.78 : x
  2. Step 2: Convert to fraction form
    193,905.56/290,849.88 = 60,782.78/x
  3. Step 3: Cross multiply
    193,905.56x = 290,849.88 × 60,782.78
  4. Step 4: Simplify right side
    193,905.56x = 17,678,664,269.07
  5. Step 5: Solve for x
    x = 17,678,664,269.07/193,905.56
  6. Step 6: Final answer
    x = 91,171.52

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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.