Finding the Fourth Proportional to 167,372.75, 230,859.75 and 106,916.54
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Solution
The fourth proportional to 167,372.75, 230,859.75 and 106,916.54 is: 147,471.59
Step by Step Solution
- Step 1: Write the proportion equation
167,372.75 : 230,859.75 = 106,916.54 : x - Step 2: Convert to fraction form
167,372.75/230,859.75 = 106,916.54/x - Step 3: Cross multiply
167,372.75x = 230,859.75 × 106,916.54 - Step 4: Simplify right side
167,372.75x = 24,682,726,272.41 - Step 5: Solve for x
x = 24,682,726,272.41/167,372.75 - Step 6: Final answer
x = 147,471.59
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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.