Home / 321,965.91-444,359.16-192,909.48

Finding the Fourth Proportional to 321,965.91, 444,359.16 and 192,909.48

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Solution

The fourth proportional to 321,965.91, 444,359.16 and 192,909.48 is: 266,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,965.91 : 444,359.16 = 192,909.48 : x
  2. Step 2: Convert to fraction form
    321,965.91/444,359.16 = 192,909.48/x
  3. Step 3: Cross multiply
    321,965.91x = 444,359.16 × 192,909.48
  4. Step 4: Simplify right side
    321,965.91x = 85,721,094,488.84
  5. Step 5: Solve for x
    x = 85,721,094,488.84/321,965.91
  6. Step 6: Final answer
    x = 266,242.77

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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.