Finding the Fourth Proportional to 186,916.62, 257,782.12 and 114,264.48
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Solution
The fourth proportional to 186,916.62, 257,782.12 and 114,264.48 is: 157,585.45
Step by Step Solution
- Step 1: Write the proportion equation
186,916.62 : 257,782.12 = 114,264.48 : x - Step 2: Convert to fraction form
186,916.62/257,782.12 = 114,264.48/x - Step 3: Cross multiply
186,916.62x = 257,782.12 × 114,264.48 - Step 4: Simplify right side
186,916.62x = 29,455,339,895.10 - Step 5: Solve for x
x = 29,455,339,895.10/186,916.62 - Step 6: Final answer
x = 157,585.45
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1.5x scale
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.