Home / 149,717.26-206,606.73-81,735.58

Finding the Fourth Proportional to 149,717.26, 206,606.73 and 81,735.58

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Solution

The fourth proportional to 149,717.26, 206,606.73 and 81,735.58 is: 112,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,717.26 : 206,606.73 = 81,735.58 : x
  2. Step 2: Convert to fraction form
    149,717.26/206,606.73 = 81,735.58/x
  3. Step 3: Cross multiply
    149,717.26x = 206,606.73 × 81,735.58
  4. Step 4: Simplify right side
    149,717.26x = 16,887,120,908.45
  5. Step 5: Solve for x
    x = 16,887,120,908.45/149,717.26
  6. Step 6: Final answer
    x = 112,793.41

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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.