Home / 201,819.26-278,532.45-111,184.51

Finding the Fourth Proportional to 201,819.26, 278,532.45 and 111,184.51

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Solution

The fourth proportional to 201,819.26, 278,532.45 and 111,184.51 is: 153,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,819.26 : 278,532.45 = 111,184.51 : x
  2. Step 2: Convert to fraction form
    201,819.26/278,532.45 = 111,184.51/x
  3. Step 3: Cross multiply
    201,819.26x = 278,532.45 × 111,184.51
  4. Step 4: Simplify right side
    201,819.26x = 30,968,493,972.35
  5. Step 5: Solve for x
    x = 30,968,493,972.35/201,819.26
  6. Step 6: Final answer
    x = 153,446.67

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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.