Home / 188,525.98-282,629.66-81,829.24

Finding the Fourth Proportional to 188,525.98, 282,629.66 and 81,829.24

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Solution

The fourth proportional to 188,525.98, 282,629.66 and 81,829.24 is: 122,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,525.98 : 282,629.66 = 81,829.24 : x
  2. Step 2: Convert to fraction form
    188,525.98/282,629.66 = 81,829.24/x
  3. Step 3: Cross multiply
    188,525.98x = 282,629.66 × 81,829.24
  4. Step 4: Simplify right side
    188,525.98x = 23,127,369,163.54
  5. Step 5: Solve for x
    x = 23,127,369,163.54/188,525.98
  6. Step 6: Final answer
    x = 122,674.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.