Home / 269,320.89-403,991.55-100,823.52

Finding the Fourth Proportional to 269,320.89, 403,991.55 and 100,823.52

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Solution

The fourth proportional to 269,320.89, 403,991.55 and 100,823.52 is: 151,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,320.89 : 403,991.55 = 100,823.52 : x
  2. Step 2: Convert to fraction form
    269,320.89/403,991.55 = 100,823.52/x
  3. Step 3: Cross multiply
    269,320.89x = 403,991.55 × 100,823.52
  4. Step 4: Simplify right side
    269,320.89x = 40,731,850,121.26
  5. Step 5: Solve for x
    x = 40,731,850,121.26/269,320.89
  6. Step 6: Final answer
    x = 151,239.10

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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.