Home / 193,556.28-290,352.78-75,236.76

Finding the Fourth Proportional to 193,556.28, 290,352.78 and 75,236.76

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Solution

The fourth proportional to 193,556.28, 290,352.78 and 75,236.76 is: 112,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,556.28 : 290,352.78 = 75,236.76 : x
  2. Step 2: Convert to fraction form
    193,556.28/290,352.78 = 75,236.76/x
  3. Step 3: Cross multiply
    193,556.28x = 290,352.78 × 75,236.76
  4. Step 4: Simplify right side
    193,556.28x = 21,845,202,424.19
  5. Step 5: Solve for x
    x = 21,845,202,424.19/193,556.28
  6. Step 6: Final answer
    x = 112,862.28

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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.