Home / 321,789.90-444,008.43-184,012.56

Finding the Fourth Proportional to 321,789.90, 444,008.43 and 184,012.56

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Solution

The fourth proportional to 321,789.90, 444,008.43 and 184,012.56 is: 253,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,789.90 : 444,008.43 = 184,012.56 : x
  2. Step 2: Convert to fraction form
    321,789.90/444,008.43 = 184,012.56/x
  3. Step 3: Cross multiply
    321,789.90x = 444,008.43 × 184,012.56
  4. Step 4: Simplify right side
    321,789.90x = 81,703,127,865.88
  5. Step 5: Solve for x
    x = 81,703,127,865.88/321,789.90
  6. Step 6: Final answer
    x = 253,902.09

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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.