Home / 202,480.75-303,665.23-76,111.03

Finding the Fourth Proportional to 202,480.75, 303,665.23 and 76,111.03

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Solution

The fourth proportional to 202,480.75, 303,665.23 and 76,111.03 is: 114,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,480.75 : 303,665.23 = 76,111.03 : x
  2. Step 2: Convert to fraction form
    202,480.75/303,665.23 = 76,111.03/x
  3. Step 3: Cross multiply
    202,480.75x = 303,665.23 × 76,111.03
  4. Step 4: Simplify right side
    202,480.75x = 23,112,273,430.49
  5. Step 5: Solve for x
    x = 23,112,273,430.49/202,480.75
  6. Step 6: Final answer
    x = 114,145.53

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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.