Home / 196,212.58-270,765.36-111,327.82

Finding the Fourth Proportional to 196,212.58, 270,765.36 and 111,327.82

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Solution

The fourth proportional to 196,212.58, 270,765.36 and 111,327.82 is: 153,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,212.58 : 270,765.36 = 111,327.82 : x
  2. Step 2: Convert to fraction form
    196,212.58/270,765.36 = 111,327.82/x
  3. Step 3: Cross multiply
    196,212.58x = 270,765.36 × 111,327.82
  4. Step 4: Simplify right side
    196,212.58x = 30,143,717,260.32
  5. Step 5: Solve for x
    x = 30,143,717,260.32/196,212.58
  6. Step 6: Final answer
    x = 153,627.85

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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.