Home / 123,185.37-169,995.86-66,596.75

Finding the Fourth Proportional to 123,185.37, 169,995.86 and 66,596.75

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Solution

The fourth proportional to 123,185.37, 169,995.86 and 66,596.75 is: 91,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,185.37 : 169,995.86 = 66,596.75 : x
  2. Step 2: Convert to fraction form
    123,185.37/169,995.86 = 66,596.75/x
  3. Step 3: Cross multiply
    123,185.37x = 169,995.86 × 66,596.75
  4. Step 4: Simplify right side
    123,185.37x = 11,321,170,606.49
  5. Step 5: Solve for x
    x = 11,321,170,606.49/123,185.37
  6. Step 6: Final answer
    x = 91,903.53

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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.