Home / 201,261.75-301,929.09-82,868.52

Finding the Fourth Proportional to 201,261.75, 301,929.09 and 82,868.52

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Solution

The fourth proportional to 201,261.75, 301,929.09 and 82,868.52 is: 124,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,261.75 : 301,929.09 = 82,868.52 : x
  2. Step 2: Convert to fraction form
    201,261.75/301,929.09 = 82,868.52/x
  3. Step 3: Cross multiply
    201,261.75x = 301,929.09 × 82,868.52
  4. Step 4: Simplify right side
    201,261.75x = 25,020,416,833.25
  5. Step 5: Solve for x
    x = 25,020,416,833.25/201,261.75
  6. Step 6: Final answer
    x = 124,317.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.