Finding the Fourth Proportional to 186,226.34, 256,998.17 and 105,657.26
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Solution
The fourth proportional to 186,226.34, 256,998.17 and 105,657.26 is: 145,810.32
Step by Step Solution
- Step 1: Write the proportion equation
186,226.34 : 256,998.17 = 105,657.26 : x - Step 2: Convert to fraction form
186,226.34/256,998.17 = 105,657.26/x - Step 3: Cross multiply
186,226.34x = 256,998.17 × 105,657.26 - Step 4: Simplify right side
186,226.34x = 27,153,721,446.37 - Step 5: Solve for x
x = 27,153,721,446.37/186,226.34 - Step 6: Final answer
x = 145,810.32
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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.