Home / 201,849.05-278,550.39-111,202.91

Finding the Fourth Proportional to 201,849.05, 278,550.39 and 111,202.91

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Solution

The fourth proportional to 201,849.05, 278,550.39 and 111,202.91 is: 153,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,849.05 : 278,550.39 = 111,202.91 : x
  2. Step 2: Convert to fraction form
    201,849.05/278,550.39 = 111,202.91/x
  3. Step 3: Cross multiply
    201,849.05x = 278,550.39 × 111,202.91
  4. Step 4: Simplify right side
    201,849.05x = 30,975,612,556.88
  5. Step 5: Solve for x
    x = 30,975,612,556.88/201,849.05
  6. Step 6: Final answer
    x = 153,459.30

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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.