Home / 403,297.03-605,072.69-190,056.33

Finding the Fourth Proportional to 403,297.03, 605,072.69 and 190,056.33

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Solution

The fourth proportional to 403,297.03, 605,072.69 and 190,056.33 is: 285,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,297.03 : 605,072.69 = 190,056.33 : x
  2. Step 2: Convert to fraction form
    403,297.03/605,072.69 = 190,056.33/x
  3. Step 3: Cross multiply
    403,297.03x = 605,072.69 × 190,056.33
  4. Step 4: Simplify right side
    403,297.03x = 114,997,894,607.06
  5. Step 5: Solve for x
    x = 114,997,894,607.06/403,297.03
  6. Step 6: Final answer
    x = 285,144.41

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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.