Home / 200,720.21-276,994.27-110,076.81

Finding the Fourth Proportional to 200,720.21, 276,994.27 and 110,076.81

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Solution

The fourth proportional to 200,720.21, 276,994.27 and 110,076.81 is: 151,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,720.21 : 276,994.27 = 110,076.81 : x
  2. Step 2: Convert to fraction form
    200,720.21/276,994.27 = 110,076.81/x
  3. Step 3: Cross multiply
    200,720.21x = 276,994.27 × 110,076.81
  4. Step 4: Simplify right side
    200,720.21x = 30,490,644,728.75
  5. Step 5: Solve for x
    x = 30,490,644,728.75/200,720.21
  6. Step 6: Final answer
    x = 151,906.21

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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.