Home / 222,542.13-307,106.87-120,569.61

Finding the Fourth Proportional to 222,542.13, 307,106.87 and 120,569.61

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Solution

The fourth proportional to 222,542.13, 307,106.87 and 120,569.61 is: 166,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,542.13 : 307,106.87 = 120,569.61 : x
  2. Step 2: Convert to fraction form
    222,542.13/307,106.87 = 120,569.61/x
  3. Step 3: Cross multiply
    222,542.13x = 307,106.87 × 120,569.61
  4. Step 4: Simplify right side
    222,542.13x = 37,027,754,941.37
  5. Step 5: Solve for x
    x = 37,027,754,941.37/222,542.13
  6. Step 6: Final answer
    x = 166,385.37

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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.