Finding the Fourth Proportional to 186,170.24, 256,858.08 and 105,593.60
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Solution
The fourth proportional to 186,170.24, 256,858.08 and 105,593.60 is: 145,686.92
Step by Step Solution
- Step 1: Write the proportion equation
186,170.24 : 256,858.08 = 105,593.60 : x - Step 2: Convert to fraction form
186,170.24/256,858.08 = 105,593.60/x - Step 3: Cross multiply
186,170.24x = 256,858.08 × 105,593.60 - Step 4: Simplify right side
186,170.24x = 27,122,569,356.29 - Step 5: Solve for x
x = 27,122,569,356.29/186,170.24 - Step 6: Final answer
x = 145,686.92
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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.