Home / 222,939.92-307,665.96-122,341.52

Finding the Fourth Proportional to 222,939.92, 307,665.96 and 122,341.52

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Solution

The fourth proportional to 222,939.92, 307,665.96 and 122,341.52 is: 168,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,939.92 : 307,665.96 = 122,341.52 : x
  2. Step 2: Convert to fraction form
    222,939.92/307,665.96 = 122,341.52/x
  3. Step 3: Cross multiply
    222,939.92x = 307,665.96 × 122,341.52
  4. Step 4: Simplify right side
    222,939.92x = 37,640,321,198.66
  5. Step 5: Solve for x
    x = 37,640,321,198.66/222,939.92
  6. Step 6: Final answer
    x = 168,836.17

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1.5x scale

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.