Home / 123,199.16-170,014.46-66,610.52

Finding the Fourth Proportional to 123,199.16, 170,014.46 and 66,610.52

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Solution

The fourth proportional to 123,199.16, 170,014.46 and 66,610.52 is: 91,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,199.16 : 170,014.46 = 66,610.52 : x
  2. Step 2: Convert to fraction form
    123,199.16/170,014.46 = 66,610.52/x
  3. Step 3: Cross multiply
    123,199.16x = 170,014.46 × 66,610.52
  4. Step 4: Simplify right side
    123,199.16x = 11,324,751,588.12
  5. Step 5: Solve for x
    x = 11,324,751,588.12/123,199.16
  6. Step 6: Final answer
    x = 91,922.31

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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.