Home / 193,015.50-289,452.06-66,623.46

Finding the Fourth Proportional to 193,015.50, 289,452.06 and 66,623.46

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Solution

The fourth proportional to 193,015.50, 289,452.06 and 66,623.46 is: 99,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,015.50 : 289,452.06 = 66,623.46 : x
  2. Step 2: Convert to fraction form
    193,015.50/289,452.06 = 66,623.46/x
  3. Step 3: Cross multiply
    193,015.50x = 289,452.06 × 66,623.46
  4. Step 4: Simplify right side
    193,015.50x = 19,284,297,741.33
  5. Step 5: Solve for x
    x = 19,284,297,741.33/193,015.50
  6. Step 6: Final answer
    x = 99,910.62

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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.