Home / 326,811.36-451,171.68-219,943.20

Finding the Fourth Proportional to 326,811.36, 451,171.68 and 219,943.20

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Solution

The fourth proportional to 326,811.36, 451,171.68 and 219,943.20 is: 303,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,811.36 : 451,171.68 = 219,943.20 : x
  2. Step 2: Convert to fraction form
    326,811.36/451,171.68 = 219,943.20/x
  3. Step 3: Cross multiply
    326,811.36x = 451,171.68 × 219,943.20
  4. Step 4: Simplify right side
    326,811.36x = 99,232,143,048.58
  5. Step 5: Solve for x
    x = 99,232,143,048.58/326,811.36
  6. Step 6: Final answer
    x = 303,637.37

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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.