Home / 123,183.87-169,993.79-66,595.25

Finding the Fourth Proportional to 123,183.87, 169,993.79 and 66,595.25

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Solution

The fourth proportional to 123,183.87, 169,993.79 and 66,595.25 is: 91,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,183.87 : 169,993.79 = 66,595.25 : x
  2. Step 2: Convert to fraction form
    123,183.87/169,993.79 = 66,595.25/x
  3. Step 3: Cross multiply
    123,183.87x = 169,993.79 × 66,595.25
  4. Step 4: Simplify right side
    123,183.87x = 11,320,777,760.55
  5. Step 5: Solve for x
    x = 11,320,777,760.55/123,183.87
  6. Step 6: Final answer
    x = 91,901.46

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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.