Home / 269,112.35-403,723.20-91,637.30

Finding the Fourth Proportional to 269,112.35, 403,723.20 and 91,637.30

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Solution

The fourth proportional to 269,112.35, 403,723.20 and 91,637.30 is: 137,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,112.35 : 403,723.20 = 91,637.30 : x
  2. Step 2: Convert to fraction form
    269,112.35/403,723.20 = 91,637.30/x
  3. Step 3: Cross multiply
    269,112.35x = 403,723.20 × 91,637.30
  4. Step 4: Simplify right side
    269,112.35x = 36,996,103,995.36
  5. Step 5: Solve for x
    x = 36,996,103,995.36/269,112.35
  6. Step 6: Final answer
    x = 137,474.57

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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.