Finding the Fourth Proportional to 186,738.57, 257,719.19 and 114,183.99
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Solution
The fourth proportional to 186,738.57, 257,719.19 and 114,183.99 is: 157,586.11
Step by Step Solution
- Step 1: Write the proportion equation
186,738.57 : 257,719.19 = 114,183.99 : x - Step 2: Convert to fraction form
186,738.57/257,719.19 = 114,183.99/x - Step 3: Cross multiply
186,738.57x = 257,719.19 × 114,183.99 - Step 4: Simplify right side
186,738.57x = 29,427,404,304.59 - Step 5: Solve for x
x = 29,427,404,304.59/186,738.57 - Step 6: Final answer
x = 157,586.11
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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.