Home / 193,577.36-290,407.08-68,918

Finding the Fourth Proportional to 193,577.36, 290,407.08 and 68,918

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Solution

The fourth proportional to 193,577.36, 290,407.08 and 68,918 is: 103,391.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,577.36 : 290,407.08 = 68,918 : x
  2. Step 2: Convert to fraction form
    193,577.36/290,407.08 = 68,918/x
  3. Step 3: Cross multiply
    193,577.36x = 290,407.08 × 68,918
  4. Step 4: Simplify right side
    193,577.36x = 20,014,275,139.44
  5. Step 5: Solve for x
    x = 20,014,275,139.44/193,577.36
  6. Step 6: Final answer
    x = 103,391.61

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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.