Home / 199,252.09-274,945.75-118,668.43

Finding the Fourth Proportional to 199,252.09, 274,945.75 and 118,668.43

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Solution

The fourth proportional to 199,252.09, 274,945.75 and 118,668.43 is: 163,749.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,252.09 : 274,945.75 = 118,668.43 : x
  2. Step 2: Convert to fraction form
    199,252.09/274,945.75 = 118,668.43/x
  3. Step 3: Cross multiply
    199,252.09x = 274,945.75 × 118,668.43
  4. Step 4: Simplify right side
    199,252.09x = 32,627,380,487.67
  5. Step 5: Solve for x
    x = 32,627,380,487.67/199,252.09
  6. Step 6: Final answer
    x = 163,749.25

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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.