Home / 222,855.06-307,538.46-120,880.11

Finding the Fourth Proportional to 222,855.06, 307,538.46 and 120,880.11

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Solution

The fourth proportional to 222,855.06, 307,538.46 and 120,880.11 is: 166,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,855.06 : 307,538.46 = 120,880.11 : x
  2. Step 2: Convert to fraction form
    222,855.06/307,538.46 = 120,880.11/x
  3. Step 3: Cross multiply
    222,855.06x = 307,538.46 × 120,880.11
  4. Step 4: Simplify right side
    222,855.06x = 37,175,282,874.03
  5. Step 5: Solve for x
    x = 37,175,282,874.03/222,855.06
  6. Step 6: Final answer
    x = 166,813.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.