Home / 147,855.84-222,781.32-122,136.48

Finding the Fourth Proportional to 147,855.84, 222,781.32 and 122,136.48

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Solution

The fourth proportional to 147,855.84, 222,781.32 and 122,136.48 is: 184,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,855.84 : 222,781.32 = 122,136.48 : x
  2. Step 2: Convert to fraction form
    147,855.84/222,781.32 = 122,136.48/x
  3. Step 3: Cross multiply
    147,855.84x = 222,781.32 × 122,136.48
  4. Step 4: Simplify right side
    147,855.84x = 27,209,726,234.55
  5. Step 5: Solve for x
    x = 27,209,726,234.55/147,855.84
  6. Step 6: Final answer
    x = 184,028.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.