Home / 227,066.76-313,351.92-131,628.78

Finding the Fourth Proportional to 227,066.76, 313,351.92 and 131,628.78

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Solution

The fourth proportional to 227,066.76, 313,351.92 and 131,628.78 is: 181,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,066.76 : 313,351.92 = 131,628.78 : x
  2. Step 2: Convert to fraction form
    227,066.76/313,351.92 = 131,628.78/x
  3. Step 3: Cross multiply
    227,066.76x = 313,351.92 × 131,628.78
  4. Step 4: Simplify right side
    227,066.76x = 41,246,130,940.26
  5. Step 5: Solve for x
    x = 41,246,130,940.26/227,066.76
  6. Step 6: Final answer
    x = 181,647.60

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1.5x scale

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.