Home / 212,944.01-319,558.05-110,455.79

Finding the Fourth Proportional to 212,944.01, 319,558.05 and 110,455.79

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Solution

The fourth proportional to 212,944.01, 319,558.05 and 110,455.79 is: 165,757.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,944.01 : 319,558.05 = 110,455.79 : x
  2. Step 2: Convert to fraction form
    212,944.01/319,558.05 = 110,455.79/x
  3. Step 3: Cross multiply
    212,944.01x = 319,558.05 × 110,455.79
  4. Step 4: Simplify right side
    212,944.01x = 35,297,035,265.82
  5. Step 5: Solve for x
    x = 35,297,035,265.82/212,944.01
  6. Step 6: Final answer
    x = 165,757.36

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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.