Home / 324,016.07-447,142.41-180,776.21

Finding the Fourth Proportional to 324,016.07, 447,142.41 and 180,776.21

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Solution

The fourth proportional to 324,016.07, 447,142.41 and 180,776.21 is: 249,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,016.07 : 447,142.41 = 180,776.21 : x
  2. Step 2: Convert to fraction form
    324,016.07/447,142.41 = 180,776.21/x
  3. Step 3: Cross multiply
    324,016.07x = 447,142.41 × 180,776.21
  4. Step 4: Simplify right side
    324,016.07x = 80,832,707,974.35
  5. Step 5: Solve for x
    x = 80,832,707,974.35/324,016.07
  6. Step 6: Final answer
    x = 249,471.30

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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.