Home / 263,730.24-395,645.28-105,971.04

Finding the Fourth Proportional to 263,730.24, 395,645.28 and 105,971.04

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Solution

The fourth proportional to 263,730.24, 395,645.28 and 105,971.04 is: 158,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,730.24 : 395,645.28 = 105,971.04 : x
  2. Step 2: Convert to fraction form
    263,730.24/395,645.28 = 105,971.04/x
  3. Step 3: Cross multiply
    263,730.24x = 395,645.28 × 105,971.04
  4. Step 4: Simplify right side
    263,730.24x = 41,926,941,792.69
  5. Step 5: Solve for x
    x = 41,926,941,792.69/263,730.24
  6. Step 6: Final answer
    x = 158,976.62

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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.