Home / 274,919.18-412,363.56-75,225.23

Finding the Fourth Proportional to 274,919.18, 412,363.56 and 75,225.23

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Solution

The fourth proportional to 274,919.18, 412,363.56 and 75,225.23 is: 112,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,919.18 : 412,363.56 = 75,225.23 : x
  2. Step 2: Convert to fraction form
    274,919.18/412,363.56 = 75,225.23/x
  3. Step 3: Cross multiply
    274,919.18x = 412,363.56 × 75,225.23
  4. Step 4: Simplify right side
    274,919.18x = 31,020,143,644.62
  5. Step 5: Solve for x
    x = 31,020,143,644.62/274,919.18
  6. Step 6: Final answer
    x = 112,833.68

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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.