Finding the Fourth Proportional to 213,873.99, 295,142.52 and 118,378.64
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Solution
The fourth proportional to 213,873.99, 295,142.52 and 118,378.64 is: 163,360.53
Step by Step Solution
- Step 1: Write the proportion equation
213,873.99 : 295,142.52 = 118,378.64 : x - Step 2: Convert to fraction form
213,873.99/295,142.52 = 118,378.64/x - Step 3: Cross multiply
213,873.99x = 295,142.52 × 118,378.64 - Step 4: Simplify right side
213,873.99x = 34,938,568,648.06 - Step 5: Solve for x
x = 34,938,568,648.06/213,873.99 - Step 6: Final answer
x = 163,360.53
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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.