Home / 200,245.82-276,327.53-109,603.48

Finding the Fourth Proportional to 200,245.82, 276,327.53 and 109,603.48

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Solution

The fourth proportional to 200,245.82, 276,327.53 and 109,603.48 is: 151,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,245.82 : 276,327.53 = 109,603.48 : x
  2. Step 2: Convert to fraction form
    200,245.82/276,327.53 = 109,603.48/x
  3. Step 3: Cross multiply
    200,245.82x = 276,327.53 × 109,603.48
  4. Step 4: Simplify right side
    200,245.82x = 30,286,458,289.84
  5. Step 5: Solve for x
    x = 30,286,458,289.84/200,245.82
  6. Step 6: Final answer
    x = 151,246.39

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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.