Home / 150,788.41-207,912.21-112,481.46

Finding the Fourth Proportional to 150,788.41, 207,912.21 and 112,481.46

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Solution

The fourth proportional to 150,788.41, 207,912.21 and 112,481.46 is: 155,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,788.41 : 207,912.21 = 112,481.46 : x
  2. Step 2: Convert to fraction form
    150,788.41/207,912.21 = 112,481.46/x
  3. Step 3: Cross multiply
    150,788.41x = 207,912.21 × 112,481.46
  4. Step 4: Simplify right side
    150,788.41x = 23,386,268,370.22
  5. Step 5: Solve for x
    x = 23,386,268,370.22/150,788.41
  6. Step 6: Final answer
    x = 155,093.28

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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.