Home / 207,185.97-285,672.09-141,806.34

Finding the Fourth Proportional to 207,185.97, 285,672.09 and 141,806.34

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Solution

The fourth proportional to 207,185.97, 285,672.09 and 141,806.34 is: 195,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,185.97 : 285,672.09 = 141,806.34 : x
  2. Step 2: Convert to fraction form
    207,185.97/285,672.09 = 141,806.34/x
  3. Step 3: Cross multiply
    207,185.97x = 285,672.09 × 141,806.34
  4. Step 4: Simplify right side
    207,185.97x = 40,510,113,523.05
  5. Step 5: Solve for x
    x = 40,510,113,523.05/207,185.97
  6. Step 6: Final answer
    x = 195,525.37

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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.