Home / 300,070.22-414,247.48-231,933.21

Finding the Fourth Proportional to 300,070.22, 414,247.48 and 231,933.21

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Solution

The fourth proportional to 300,070.22, 414,247.48 and 231,933.21 is: 320,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,070.22 : 414,247.48 = 231,933.21 : x
  2. Step 2: Convert to fraction form
    300,070.22/414,247.48 = 231,933.21/x
  3. Step 3: Cross multiply
    300,070.22x = 414,247.48 × 231,933.21
  4. Step 4: Simplify right side
    300,070.22x = 96,077,747,770.81
  5. Step 5: Solve for x
    x = 96,077,747,770.81/300,070.22
  6. Step 6: Final answer
    x = 320,184.21

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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.