Home / 269,228.18-403,764.48-91,731.26

Finding the Fourth Proportional to 269,228.18, 403,764.48 and 91,731.26

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Solution

The fourth proportional to 269,228.18, 403,764.48 and 91,731.26 is: 137,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,228.18 : 403,764.48 = 91,731.26 : x
  2. Step 2: Convert to fraction form
    269,228.18/403,764.48 = 91,731.26/x
  3. Step 3: Cross multiply
    269,228.18x = 403,764.48 × 91,731.26
  4. Step 4: Simplify right side
    269,228.18x = 37,037,822,474.82
  5. Step 5: Solve for x
    x = 37,037,822,474.82/269,228.18
  6. Step 6: Final answer
    x = 137,570.38

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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.