Home / 193,339.23-290,040.97-81,027.90

Finding the Fourth Proportional to 193,339.23, 290,040.97 and 81,027.90

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Solution

The fourth proportional to 193,339.23, 290,040.97 and 81,027.90 is: 121,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,339.23 : 290,040.97 = 81,027.90 : x
  2. Step 2: Convert to fraction form
    193,339.23/290,040.97 = 81,027.90/x
  3. Step 3: Cross multiply
    193,339.23x = 290,040.97 × 81,027.90
  4. Step 4: Simplify right side
    193,339.23x = 23,501,408,857.72
  5. Step 5: Solve for x
    x = 23,501,408,857.72/193,339.23
  6. Step 6: Final answer
    x = 121,555.30

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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.