Home / 227,319.48-313,769.70-131,849.64

Finding the Fourth Proportional to 227,319.48, 313,769.70 and 131,849.64

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Solution

The fourth proportional to 227,319.48, 313,769.70 and 131,849.64 is: 181,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,319.48 : 313,769.70 = 131,849.64 : x
  2. Step 2: Convert to fraction form
    227,319.48/313,769.70 = 131,849.64/x
  3. Step 3: Cross multiply
    227,319.48x = 313,769.70 × 131,849.64
  4. Step 4: Simplify right side
    227,319.48x = 41,370,421,987.91
  5. Step 5: Solve for x
    x = 41,370,421,987.91/227,319.48
  6. Step 6: Final answer
    x = 181,992.42

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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.