Home / 193,607.60-290,448.24-67,243.04

Finding the Fourth Proportional to 193,607.60, 290,448.24 and 67,243.04

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Solution

The fourth proportional to 193,607.60, 290,448.24 and 67,243.04 is: 100,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,607.60 : 290,448.24 = 67,243.04 : x
  2. Step 2: Convert to fraction form
    193,607.60/290,448.24 = 67,243.04/x
  3. Step 3: Cross multiply
    193,607.60x = 290,448.24 × 67,243.04
  4. Step 4: Simplify right side
    193,607.60x = 19,530,622,620.25
  5. Step 5: Solve for x
    x = 19,530,622,620.25/193,607.60
  6. Step 6: Final answer
    x = 100,877.36

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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.