Home / 324,199.08-447,469.38-190,106.28

Finding the Fourth Proportional to 324,199.08, 447,469.38 and 190,106.28

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Solution

The fourth proportional to 324,199.08, 447,469.38 and 190,106.28 is: 262,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,199.08 : 447,469.38 = 190,106.28 : x
  2. Step 2: Convert to fraction form
    324,199.08/447,469.38 = 190,106.28/x
  3. Step 3: Cross multiply
    324,199.08x = 447,469.38 × 190,106.28
  4. Step 4: Simplify right side
    324,199.08x = 85,066,739,245.71
  5. Step 5: Solve for x
    x = 85,066,739,245.71/324,199.08
  6. Step 6: Final answer
    x = 262,390.44

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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.