Home / 200,208.86-276,279.93-109,562.54

Finding the Fourth Proportional to 200,208.86, 276,279.93 and 109,562.54

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Solution

The fourth proportional to 200,208.86, 276,279.93 and 109,562.54 is: 151,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,208.86 : 276,279.93 = 109,562.54 : x
  2. Step 2: Convert to fraction form
    200,208.86/276,279.93 = 109,562.54/x
  3. Step 3: Cross multiply
    200,208.86x = 276,279.93 × 109,562.54
  4. Step 4: Simplify right side
    200,208.86x = 30,269,930,881.82
  5. Step 5: Solve for x
    x = 30,269,930,881.82/200,208.86
  6. Step 6: Final answer
    x = 151,191.76

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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.