Home / 123,383.22-170,268.90-66,794.59

Finding the Fourth Proportional to 123,383.22, 170,268.90 and 66,794.59

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Solution

The fourth proportional to 123,383.22, 170,268.90 and 66,794.59 is: 92,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,383.22 : 170,268.90 = 66,794.59 : x
  2. Step 2: Convert to fraction form
    123,383.22/170,268.90 = 66,794.59/x
  3. Step 3: Cross multiply
    123,383.22x = 170,268.90 × 66,794.59
  4. Step 4: Simplify right side
    123,383.22x = 11,373,041,327.61
  5. Step 5: Solve for x
    x = 11,373,041,327.61/123,383.22
  6. Step 6: Final answer
    x = 92,176.57

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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.