Home / 201,917.44-278,658.24-111,273.16

Finding the Fourth Proportional to 201,917.44, 278,658.24 and 111,273.16

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Solution

The fourth proportional to 201,917.44, 278,658.24 and 111,273.16 is: 153,563.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,917.44 : 278,658.24 = 111,273.16 : x
  2. Step 2: Convert to fraction form
    201,917.44/278,658.24 = 111,273.16/x
  3. Step 3: Cross multiply
    201,917.44x = 278,658.24 × 111,273.16
  4. Step 4: Simplify right side
    201,917.44x = 31,007,182,924.84
  5. Step 5: Solve for x
    x = 31,007,182,924.84/201,917.44
  6. Step 6: Final answer
    x = 153,563.67

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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.