Home / 324,305.50-447,693.28-188,312.96

Finding the Fourth Proportional to 324,305.50, 447,693.28 and 188,312.96

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Solution

The fourth proportional to 324,305.50, 447,693.28 and 188,312.96 is: 259,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,305.50 : 447,693.28 = 188,312.96 : x
  2. Step 2: Convert to fraction form
    324,305.50/447,693.28 = 188,312.96/x
  3. Step 3: Cross multiply
    324,305.50x = 447,693.28 × 188,312.96
  4. Step 4: Simplify right side
    324,305.50x = 84,306,446,728.91
  5. Step 5: Solve for x
    x = 84,306,446,728.91/324,305.50
  6. Step 6: Final answer
    x = 259,959.97

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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.