Home / 193,739.13-290,600.60-67,408.02

Finding the Fourth Proportional to 193,739.13, 290,600.60 and 67,408.02

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Solution

The fourth proportional to 193,739.13, 290,600.60 and 67,408.02 is: 101,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,739.13 : 290,600.60 = 67,408.02 : x
  2. Step 2: Convert to fraction form
    193,739.13/290,600.60 = 67,408.02/x
  3. Step 3: Cross multiply
    193,739.13x = 290,600.60 × 67,408.02
  4. Step 4: Simplify right side
    193,739.13x = 19,588,810,719.77
  5. Step 5: Solve for x
    x = 19,588,810,719.77/193,739.13
  6. Step 6: Final answer
    x = 101,109.21

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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.