Home / 149,835.75-206,773.34-82,767.75

Finding the Fourth Proportional to 149,835.75, 206,773.34 and 82,767.75

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Solution

The fourth proportional to 149,835.75, 206,773.34 and 82,767.75 is: 114,219.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,835.75 : 206,773.34 = 82,767.75 : x
  2. Step 2: Convert to fraction form
    149,835.75/206,773.34 = 82,767.75/x
  3. Step 3: Cross multiply
    149,835.75x = 206,773.34 × 82,767.75
  4. Step 4: Simplify right side
    149,835.75x = 17,114,163,697.95
  5. Step 5: Solve for x
    x = 17,114,163,697.95/149,835.75
  6. Step 6: Final answer
    x = 114,219.50

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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.