Home / 181,815.93-250,923.42-101,243.43

Finding the Fourth Proportional to 181,815.93, 250,923.42 and 101,243.43

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Solution

The fourth proportional to 181,815.93, 250,923.42 and 101,243.43 is: 139,725.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,815.93 : 250,923.42 = 101,243.43 : x
  2. Step 2: Convert to fraction form
    181,815.93/250,923.42 = 101,243.43/x
  3. Step 3: Cross multiply
    181,815.93x = 250,923.42 × 101,243.43
  4. Step 4: Simplify right side
    181,815.93x = 25,404,347,708.13
  5. Step 5: Solve for x
    x = 25,404,347,708.13/181,815.93
  6. Step 6: Final answer
    x = 139,725.64

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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.