Finding the Fourth Proportional to 186,539.19, 257,351.01 and 114,794.66
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Solution
The fourth proportional to 186,539.19, 257,351.01 and 114,794.66 is: 158,371.66
Step by Step Solution
- Step 1: Write the proportion equation
186,539.19 : 257,351.01 = 114,794.66 : x - Step 2: Convert to fraction form
186,539.19/257,351.01 = 114,794.66/x - Step 3: Cross multiply
186,539.19x = 257,351.01 × 114,794.66 - Step 4: Simplify right side
186,539.19x = 29,542,520,406.85 - Step 5: Solve for x
x = 29,542,520,406.85/186,539.19 - Step 6: Final answer
x = 158,371.66
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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.