Home / 140,921.20-211,249.44-47,361.52

Finding the Fourth Proportional to 140,921.20, 211,249.44 and 47,361.52

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Solution

The fourth proportional to 140,921.20, 211,249.44 and 47,361.52 is: 70,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,921.20 : 211,249.44 = 47,361.52 : x
  2. Step 2: Convert to fraction form
    140,921.20/211,249.44 = 47,361.52/x
  3. Step 3: Cross multiply
    140,921.20x = 211,249.44 × 47,361.52
  4. Step 4: Simplify right side
    140,921.20x = 10,005,094,577.55
  5. Step 5: Solve for x
    x = 10,005,094,577.55/140,921.20
  6. Step 6: Final answer
    x = 70,997.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.