Home / 222,964.40-307,786.86-136,937.33

Finding the Fourth Proportional to 222,964.40, 307,786.86 and 136,937.33

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Solution

The fourth proportional to 222,964.40, 307,786.86 and 136,937.33 is: 189,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,964.40 : 307,786.86 = 136,937.33 : x
  2. Step 2: Convert to fraction form
    222,964.40/307,786.86 = 136,937.33/x
  3. Step 3: Cross multiply
    222,964.40x = 307,786.86 × 136,937.33
  4. Step 4: Simplify right side
    222,964.40x = 42,147,510,817.48
  5. Step 5: Solve for x
    x = 42,147,510,817.48/222,964.40
  6. Step 6: Final answer
    x = 189,032.47

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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.