Home / 201,467.80-278,019.99-109,584.04

Finding the Fourth Proportional to 201,467.80, 278,019.99 and 109,584.04

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Solution

The fourth proportional to 201,467.80, 278,019.99 and 109,584.04 is: 151,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,467.80 : 278,019.99 = 109,584.04 : x
  2. Step 2: Convert to fraction form
    201,467.80/278,019.99 = 109,584.04/x
  3. Step 3: Cross multiply
    201,467.80x = 278,019.99 × 109,584.04
  4. Step 4: Simplify right side
    201,467.80x = 30,466,553,704.96
  5. Step 5: Solve for x
    x = 30,466,553,704.96/201,467.80
  6. Step 6: Final answer
    x = 151,222.94

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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.