Home / 201,261.25-301,928.34-82,868.02

Finding the Fourth Proportional to 201,261.25, 301,928.34 and 82,868.02

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Solution

The fourth proportional to 201,261.25, 301,928.34 and 82,868.02 is: 124,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,261.25 : 301,928.34 = 82,868.02 : x
  2. Step 2: Convert to fraction form
    201,261.25/301,928.34 = 82,868.02/x
  3. Step 3: Cross multiply
    201,261.25x = 301,928.34 × 82,868.02
  4. Step 4: Simplify right side
    201,261.25x = 25,020,203,717.69
  5. Step 5: Solve for x
    x = 25,020,203,717.69/201,261.25
  6. Step 6: Final answer
    x = 124,317.04

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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.