Home / 222,512.17-307,067.73-120,537.63

Finding the Fourth Proportional to 222,512.17, 307,067.73 and 120,537.63

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Solution

The fourth proportional to 222,512.17, 307,067.73 and 120,537.63 is: 166,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,512.17 : 307,067.73 = 120,537.63 : x
  2. Step 2: Convert to fraction form
    222,512.17/307,067.73 = 120,537.63/x
  3. Step 3: Cross multiply
    222,512.17x = 307,067.73 × 120,537.63
  4. Step 4: Simplify right side
    222,512.17x = 37,013,214,888.34
  5. Step 5: Solve for x
    x = 37,013,214,888.34/222,512.17
  6. Step 6: Final answer
    x = 166,342.43

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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.