Home / 199,568.48-299,193.75-115,232.90

Finding the Fourth Proportional to 199,568.48, 299,193.75 and 115,232.90

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Solution

The fourth proportional to 199,568.48, 299,193.75 and 115,232.90 is: 172,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,568.48 : 299,193.75 = 115,232.90 : x
  2. Step 2: Convert to fraction form
    199,568.48/299,193.75 = 115,232.90/x
  3. Step 3: Cross multiply
    199,568.48x = 299,193.75 × 115,232.90
  4. Step 4: Simplify right side
    199,568.48x = 34,476,961,978.41
  5. Step 5: Solve for x
    x = 34,476,961,978.41/199,568.48
  6. Step 6: Final answer
    x = 172,757.56

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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.