Finding the Fourth Proportional to 186,114.11, 256,837.64 and 105,541.99
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Solution
The fourth proportional to 186,114.11, 256,837.64 and 105,541.99 is: 145,648.04
Step by Step Solution
- Step 1: Write the proportion equation
186,114.11 : 256,837.64 = 105,541.99 : x - Step 2: Convert to fraction form
186,114.11/256,837.64 = 105,541.99/x - Step 3: Cross multiply
186,114.11x = 256,837.64 × 105,541.99 - Step 4: Simplify right side
186,114.11x = 27,107,154,462.70 - Step 5: Solve for x
x = 27,107,154,462.70/186,114.11 - Step 6: Final answer
x = 145,648.04
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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.