Home / 319,581.12-441,198.72-192,288

Finding the Fourth Proportional to 319,581.12, 441,198.72 and 192,288

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Solution

The fourth proportional to 319,581.12, 441,198.72 and 192,288 is: 265,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,581.12 : 441,198.72 = 192,288 : x
  2. Step 2: Convert to fraction form
    319,581.12/441,198.72 = 192,288/x
  3. Step 3: Cross multiply
    319,581.12x = 441,198.72 × 192,288
  4. Step 4: Simplify right side
    319,581.12x = 84,837,219,471.36
  5. Step 5: Solve for x
    x = 84,837,219,471.36/319,581.12
  6. Step 6: Final answer
    x = 265,463.80

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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.