Home / 149,824.25-206,758.17-81,842.16

Finding the Fourth Proportional to 149,824.25, 206,758.17 and 81,842.16

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Solution

The fourth proportional to 149,824.25, 206,758.17 and 81,842.16 is: 112,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,824.25 : 206,758.17 = 81,842.16 : x
  2. Step 2: Convert to fraction form
    149,824.25/206,758.17 = 81,842.16/x
  3. Step 3: Cross multiply
    149,824.25x = 206,758.17 × 81,842.16
  4. Step 4: Simplify right side
    149,824.25x = 16,921,535,542.74
  5. Step 5: Solve for x
    x = 16,921,535,542.74/149,824.25
  6. Step 6: Final answer
    x = 112,942.57

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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.