Home / 193,874.24-290,923.74-81,545.60

Finding the Fourth Proportional to 193,874.24, 290,923.74 and 81,545.60

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Solution

The fourth proportional to 193,874.24, 290,923.74 and 81,545.60 is: 122,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,874.24 : 290,923.74 = 81,545.60 : x
  2. Step 2: Convert to fraction form
    193,874.24/290,923.74 = 81,545.60/x
  3. Step 3: Cross multiply
    193,874.24x = 290,923.74 × 81,545.60
  4. Step 4: Simplify right side
    193,874.24x = 23,723,550,932.54
  5. Step 5: Solve for x
    x = 23,723,550,932.54/193,874.24
  6. Step 6: Final answer
    x = 122,365.67

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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.