Home / 323,749.65-485,764.20-173,814.71

Finding the Fourth Proportional to 323,749.65, 485,764.20 and 173,814.71

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Solution

The fourth proportional to 323,749.65, 485,764.20 and 173,814.71 is: 260,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,749.65 : 485,764.20 = 173,814.71 : x
  2. Step 2: Convert to fraction form
    323,749.65/485,764.20 = 173,814.71/x
  3. Step 3: Cross multiply
    323,749.65x = 485,764.20 × 173,814.71
  4. Step 4: Simplify right side
    323,749.65x = 84,432,961,122.56
  5. Step 5: Solve for x
    x = 84,432,961,122.56/323,749.65
  6. Step 6: Final answer
    x = 260,797.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.