Home / 403,919.60-605,493-151,131.44

Finding the Fourth Proportional to 403,919.60, 605,493 and 151,131.44

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Solution

The fourth proportional to 403,919.60, 605,493 and 151,131.44 is: 226,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,919.60 : 605,493 = 151,131.44 : x
  2. Step 2: Convert to fraction form
    403,919.60/605,493 = 151,131.44/x
  3. Step 3: Cross multiply
    403,919.60x = 605,493 × 151,131.44
  4. Step 4: Simplify right side
    403,919.60x = 91,509,028,999.92
  5. Step 5: Solve for x
    x = 91,509,028,999.92/403,919.60
  6. Step 6: Final answer
    x = 226,552.58

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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.