Home / 149,353.07-206,107.13-82,285.07

Finding the Fourth Proportional to 149,353.07, 206,107.13 and 82,285.07

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Solution

The fourth proportional to 149,353.07, 206,107.13 and 82,285.07 is: 113,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,353.07 : 206,107.13 = 82,285.07 : x
  2. Step 2: Convert to fraction form
    149,353.07/206,107.13 = 82,285.07/x
  3. Step 3: Cross multiply
    149,353.07x = 206,107.13 × 82,285.07
  4. Step 4: Simplify right side
    149,353.07x = 16,959,539,208.12
  5. Step 5: Solve for x
    x = 16,959,539,208.12/149,353.07
  6. Step 6: Final answer
    x = 113,553.34

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1.5x scale

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.