Home / 150,083.22-207,114.78-82,100.18

Finding the Fourth Proportional to 150,083.22, 207,114.78 and 82,100.18

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Solution

The fourth proportional to 150,083.22, 207,114.78 and 82,100.18 is: 113,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,083.22 : 207,114.78 = 82,100.18 : x
  2. Step 2: Convert to fraction form
    150,083.22/207,114.78 = 82,100.18/x
  3. Step 3: Cross multiply
    150,083.22x = 207,114.78 × 82,100.18
  4. Step 4: Simplify right side
    150,083.22x = 17,004,160,718.66
  5. Step 5: Solve for x
    x = 17,004,160,718.66/150,083.22
  6. Step 6: Final answer
    x = 113,298.21

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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.