Home / 205,615.26-283,747.46-114,971.40

Finding the Fourth Proportional to 205,615.26, 283,747.46 and 114,971.40

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Solution

The fourth proportional to 205,615.26, 283,747.46 and 114,971.40 is: 158,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,615.26 : 283,747.46 = 114,971.40 : x
  2. Step 2: Convert to fraction form
    205,615.26/283,747.46 = 114,971.40/x
  3. Step 3: Cross multiply
    205,615.26x = 283,747.46 × 114,971.40
  4. Step 4: Simplify right side
    205,615.26x = 32,622,842,147.79
  5. Step 5: Solve for x
    x = 32,622,842,147.79/205,615.26
  6. Step 6: Final answer
    x = 158,659.64

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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.