Home / 123,735.23-170,755.07-67,146.59

Finding the Fourth Proportional to 123,735.23, 170,755.07 and 67,146.59

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Solution

The fourth proportional to 123,735.23, 170,755.07 and 67,146.59 is: 92,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,735.23 : 170,755.07 = 67,146.59 : x
  2. Step 2: Convert to fraction form
    123,735.23/170,755.07 = 67,146.59/x
  3. Step 3: Cross multiply
    123,735.23x = 170,755.07 × 67,146.59
  4. Step 4: Simplify right side
    123,735.23x = 11,465,620,339.98
  5. Step 5: Solve for x
    x = 11,465,620,339.98/123,735.23
  6. Step 6: Final answer
    x = 92,662.54

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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.