Home / 150,078.29-207,100.32-82,082.03

Finding the Fourth Proportional to 150,078.29, 207,100.32 and 82,082.03

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Solution

The fourth proportional to 150,078.29, 207,100.32 and 82,082.03 is: 113,268.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,078.29 : 207,100.32 = 82,082.03 : x
  2. Step 2: Convert to fraction form
    150,078.29/207,100.32 = 82,082.03/x
  3. Step 3: Cross multiply
    150,078.29x = 207,100.32 × 82,082.03
  4. Step 4: Simplify right side
    150,078.29x = 16,999,214,679.25
  5. Step 5: Solve for x
    x = 16,999,214,679.25/150,078.29
  6. Step 6: Final answer
    x = 113,268.98

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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.