Home / 222,770.55-307,356.20-136,641.03

Finding the Fourth Proportional to 222,770.55, 307,356.20 and 136,641.03

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Solution

The fourth proportional to 222,770.55, 307,356.20 and 136,641.03 is: 188,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,770.55 : 307,356.20 = 136,641.03 : x
  2. Step 2: Convert to fraction form
    222,770.55/307,356.20 = 136,641.03/x
  3. Step 3: Cross multiply
    222,770.55x = 307,356.20 × 136,641.03
  4. Step 4: Simplify right side
    222,770.55x = 41,997,466,037.20
  5. Step 5: Solve for x
    x = 41,997,466,037.20/222,770.55
  6. Step 6: Final answer
    x = 188,523.42

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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.