Home / 230,301.12-345,451.68-131,736

Finding the Fourth Proportional to 230,301.12, 345,451.68 and 131,736

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Solution

The fourth proportional to 230,301.12, 345,451.68 and 131,736 is: 197,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,301.12 : 345,451.68 = 131,736 : x
  2. Step 2: Convert to fraction form
    230,301.12/345,451.68 = 131,736/x
  3. Step 3: Cross multiply
    230,301.12x = 345,451.68 × 131,736
  4. Step 4: Simplify right side
    230,301.12x = 45,508,422,516.48
  5. Step 5: Solve for x
    x = 45,508,422,516.48/230,301.12
  6. Step 6: Final answer
    x = 197,604.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.