Home / 123,452.22-170,364.30-66,863.64

Finding the Fourth Proportional to 123,452.22, 170,364.30 and 66,863.64

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Solution

The fourth proportional to 123,452.22, 170,364.30 and 66,863.64 is: 92,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,452.22 : 170,364.30 = 66,863.64 : x
  2. Step 2: Convert to fraction form
    123,452.22/170,364.30 = 66,863.64/x
  3. Step 3: Cross multiply
    123,452.22x = 170,364.30 × 66,863.64
  4. Step 4: Simplify right side
    123,452.22x = 11,391,177,224.05
  5. Step 5: Solve for x
    x = 11,391,177,224.05/123,452.22
  6. Step 6: Final answer
    x = 92,271.95

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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.