Home / 222,974.47-307,703.15-120,997.36

Finding the Fourth Proportional to 222,974.47, 307,703.15 and 120,997.36

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Solution

The fourth proportional to 222,974.47, 307,703.15 and 120,997.36 is: 166,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,974.47 : 307,703.15 = 120,997.36 : x
  2. Step 2: Convert to fraction form
    222,974.47/307,703.15 = 120,997.36/x
  3. Step 3: Cross multiply
    222,974.47x = 307,703.15 × 120,997.36
  4. Step 4: Simplify right side
    222,974.47x = 37,231,267,275.17
  5. Step 5: Solve for x
    x = 37,231,267,275.17/222,974.47
  6. Step 6: Final answer
    x = 166,975.48

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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.