Finding the Fourth Proportional to 167,122.96, 230,639.88 and 110,435.92
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Solution
The fourth proportional to 167,122.96, 230,639.88 and 110,435.92 is: 152,408.31
Step by Step Solution
- Step 1: Write the proportion equation
167,122.96 : 230,639.88 = 110,435.92 : x - Step 2: Convert to fraction form
167,122.96/230,639.88 = 110,435.92/x - Step 3: Cross multiply
167,122.96x = 230,639.88 × 110,435.92 - Step 4: Simplify right side
167,122.96x = 25,470,927,336.49 - Step 5: Solve for x
x = 25,470,927,336.49/167,122.96 - Step 6: Final answer
x = 152,408.31
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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.