Finding the Fourth Proportional to 194,683.13, 268,662.21 and 108,641.19
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Solution
The fourth proportional to 194,683.13, 268,662.21 and 108,641.19 is: 149,924.56
Step by Step Solution
- Step 1: Write the proportion equation
194,683.13 : 268,662.21 = 108,641.19 : x - Step 2: Convert to fraction form
194,683.13/268,662.21 = 108,641.19/x - Step 3: Cross multiply
194,683.13x = 268,662.21 × 108,641.19 - Step 4: Simplify right side
194,683.13x = 29,187,781,659.22 - Step 5: Solve for x
x = 29,187,781,659.22/194,683.13 - Step 6: Final answer
x = 149,924.56
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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.