Home / 274,806.03-412,267.77-85,262.25

Finding the Fourth Proportional to 274,806.03, 412,267.77 and 85,262.25

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Solution

The fourth proportional to 274,806.03, 412,267.77 and 85,262.25 is: 127,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,806.03 : 412,267.77 = 85,262.25 : x
  2. Step 2: Convert to fraction form
    274,806.03/412,267.77 = 85,262.25/x
  3. Step 3: Cross multiply
    274,806.03x = 412,267.77 × 85,262.25
  4. Step 4: Simplify right side
    274,806.03x = 35,150,877,672.68
  5. Step 5: Solve for x
    x = 35,150,877,672.68/274,806.03
  6. Step 6: Final answer
    x = 127,911.60

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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.