Home / 201,913.44-278,627.22-121,293.24

Finding the Fourth Proportional to 201,913.44, 278,627.22 and 121,293.24

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Solution

The fourth proportional to 201,913.44, 278,627.22 and 121,293.24 is: 167,376.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,913.44 : 278,627.22 = 121,293.24 : x
  2. Step 2: Convert to fraction form
    201,913.44/278,627.22 = 121,293.24/x
  3. Step 3: Cross multiply
    201,913.44x = 278,627.22 × 121,293.24
  4. Step 4: Simplify right side
    201,913.44x = 33,795,598,265.99
  5. Step 5: Solve for x
    x = 33,795,598,265.99/201,913.44
  6. Step 6: Final answer
    x = 167,376.67

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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.