Home / 123,327.33-170,191.71-66,738.71

Finding the Fourth Proportional to 123,327.33, 170,191.71 and 66,738.71

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Solution

The fourth proportional to 123,327.33, 170,191.71 and 66,738.71 is: 92,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,327.33 : 170,191.71 = 66,738.71 : x
  2. Step 2: Convert to fraction form
    123,327.33/170,191.71 = 66,738.71/x
  3. Step 3: Cross multiply
    123,327.33x = 170,191.71 × 66,738.71
  4. Step 4: Simplify right side
    123,327.33x = 11,358,374,452.27
  5. Step 5: Solve for x
    x = 11,358,374,452.27/123,327.33
  6. Step 6: Final answer
    x = 92,099.41

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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.