Home / 200,102.76-276,131.44-109,441.08

Finding the Fourth Proportional to 200,102.76, 276,131.44 and 109,441.08

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Solution

The fourth proportional to 200,102.76, 276,131.44 and 109,441.08 is: 151,023.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,102.76 : 276,131.44 = 109,441.08 : x
  2. Step 2: Convert to fraction form
    200,102.76/276,131.44 = 109,441.08/x
  3. Step 3: Cross multiply
    200,102.76x = 276,131.44 × 109,441.08
  4. Step 4: Simplify right side
    200,102.76x = 30,220,123,015.56
  5. Step 5: Solve for x
    x = 30,220,123,015.56/200,102.76
  6. Step 6: Final answer
    x = 151,023.02

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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.