Home / 328,515.10-453,309.64-192,517.92

Finding the Fourth Proportional to 328,515.10, 453,309.64 and 192,517.92

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Solution

The fourth proportional to 328,515.10, 453,309.64 and 192,517.92 is: 265,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,515.10 : 453,309.64 = 192,517.92 : x
  2. Step 2: Convert to fraction form
    328,515.10/453,309.64 = 192,517.92/x
  3. Step 3: Cross multiply
    328,515.10x = 453,309.64 × 192,517.92
  4. Step 4: Simplify right side
    328,515.10x = 87,270,228,527.45
  5. Step 5: Solve for x
    x = 87,270,228,527.45/328,515.10
  6. Step 6: Final answer
    x = 265,650.59

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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.