Home / 324,705.14-487,057.66-100,065.56

Finding the Fourth Proportional to 324,705.14, 487,057.66 and 100,065.56

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Solution

The fourth proportional to 324,705.14, 487,057.66 and 100,065.56 is: 150,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,705.14 : 487,057.66 = 100,065.56 : x
  2. Step 2: Convert to fraction form
    324,705.14/487,057.66 = 100,065.56/x
  3. Step 3: Cross multiply
    324,705.14x = 487,057.66 × 100,065.56
  4. Step 4: Simplify right side
    324,705.14x = 48,737,697,554.44
  5. Step 5: Solve for x
    x = 48,737,697,554.44/324,705.14
  6. Step 6: Final answer
    x = 150,098.33

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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.