Home / 171,743.07-257,615.26-71,833.18

Finding the Fourth Proportional to 171,743.07, 257,615.26 and 71,833.18

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Solution

The fourth proportional to 171,743.07, 257,615.26 and 71,833.18 is: 107,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,743.07 : 257,615.26 = 71,833.18 : x
  2. Step 2: Convert to fraction form
    171,743.07/257,615.26 = 71,833.18/x
  3. Step 3: Cross multiply
    171,743.07x = 257,615.26 × 71,833.18
  4. Step 4: Simplify right side
    171,743.07x = 18,505,323,342.33
  5. Step 5: Solve for x
    x = 18,505,323,342.33/171,743.07
  6. Step 6: Final answer
    x = 107,750.04

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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.