Home / 202,637.13-303,909.22-76,290.49

Finding the Fourth Proportional to 202,637.13, 303,909.22 and 76,290.49

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Solution

The fourth proportional to 202,637.13, 303,909.22 and 76,290.49 is: 114,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,637.13 : 303,909.22 = 76,290.49 : x
  2. Step 2: Convert to fraction form
    202,637.13/303,909.22 = 76,290.49/x
  3. Step 3: Cross multiply
    202,637.13x = 303,909.22 × 76,290.49
  4. Step 4: Simplify right side
    202,637.13x = 23,185,383,355.43
  5. Step 5: Solve for x
    x = 23,185,383,355.43/202,637.13
  6. Step 6: Final answer
    x = 114,418.24

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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.