Home / 269,110.35-403,720.20-91,635.30

Finding the Fourth Proportional to 269,110.35, 403,720.20 and 91,635.30

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Solution

The fourth proportional to 269,110.35, 403,720.20 and 91,635.30 is: 137,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,110.35 : 403,720.20 = 91,635.30 : x
  2. Step 2: Convert to fraction form
    269,110.35/403,720.20 = 91,635.30/x
  3. Step 3: Cross multiply
    269,110.35x = 403,720.20 × 91,635.30
  4. Step 4: Simplify right side
    269,110.35x = 36,995,021,643.06
  5. Step 5: Solve for x
    x = 36,995,021,643.06/269,110.35
  6. Step 6: Final answer
    x = 137,471.57

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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.