Home / 194,174.20-291,246.90-81,825.40

Finding the Fourth Proportional to 194,174.20, 291,246.90 and 81,825.40

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Solution

The fourth proportional to 194,174.20, 291,246.90 and 81,825.40 is: 122,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,174.20 : 291,246.90 = 81,825.40 : x
  2. Step 2: Convert to fraction form
    194,174.20/291,246.90 = 81,825.40/x
  3. Step 3: Cross multiply
    194,174.20x = 291,246.90 × 81,825.40
  4. Step 4: Simplify right side
    194,174.20x = 23,831,394,091.26
  5. Step 5: Solve for x
    x = 23,831,394,091.26/194,174.20
  6. Step 6: Final answer
    x = 122,732.03

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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.