Home / 193,555.78-290,352.03-75,236.26

Finding the Fourth Proportional to 193,555.78, 290,352.03 and 75,236.26

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Solution

The fourth proportional to 193,555.78, 290,352.03 and 75,236.26 is: 112,861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555.78 : 290,352.03 = 75,236.26 : x
  2. Step 2: Convert to fraction form
    193,555.78/290,352.03 = 75,236.26/x
  3. Step 3: Cross multiply
    193,555.78x = 290,352.03 × 75,236.26
  4. Step 4: Simplify right side
    193,555.78x = 21,845,000,820.61
  5. Step 5: Solve for x
    x = 21,845,000,820.61/193,555.78
  6. Step 6: Final answer
    x = 112,861.53

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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.