Home / 222,961.91-307,558.76-142,298.52

Finding the Fourth Proportional to 222,961.91, 307,558.76 and 142,298.52

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Solution

The fourth proportional to 222,961.91, 307,558.76 and 142,298.52 is: 196,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,961.91 : 307,558.76 = 142,298.52 : x
  2. Step 2: Convert to fraction form
    222,961.91/307,558.76 = 142,298.52/x
  3. Step 3: Cross multiply
    222,961.91x = 307,558.76 × 142,298.52
  4. Step 4: Simplify right side
    222,961.91x = 43,765,154,496.20
  5. Step 5: Solve for x
    x = 43,765,154,496.20/222,961.91
  6. Step 6: Final answer
    x = 196,289.83

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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.