Home / 274,911.03-412,351.56-75,217.01

Finding the Fourth Proportional to 274,911.03, 412,351.56 and 75,217.01

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Solution

The fourth proportional to 274,911.03, 412,351.56 and 75,217.01 is: 112,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,911.03 : 412,351.56 = 75,217.01 : x
  2. Step 2: Convert to fraction form
    274,911.03/412,351.56 = 75,217.01/x
  3. Step 3: Cross multiply
    274,911.03x = 412,351.56 × 75,217.01
  4. Step 4: Simplify right side
    274,911.03x = 31,015,851,412.04
  5. Step 5: Solve for x
    x = 31,015,851,412.04/274,911.03
  6. Step 6: Final answer
    x = 112,821.42

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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.