Home / 213,183.46-319,749.72-165,845.80

Finding the Fourth Proportional to 213,183.46, 319,749.72 and 165,845.80

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Solution

The fourth proportional to 213,183.46, 319,749.72 and 165,845.80 is: 248,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,183.46 : 319,749.72 = 165,845.80 : x
  2. Step 2: Convert to fraction form
    213,183.46/319,749.72 = 165,845.80/x
  3. Step 3: Cross multiply
    213,183.46x = 319,749.72 × 165,845.80
  4. Step 4: Simplify right side
    213,183.46x = 53,029,148,113.18
  5. Step 5: Solve for x
    x = 53,029,148,113.18/213,183.46
  6. Step 6: Final answer
    x = 248,748.89

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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.