Finding the Fourth Proportional to 169,733.06, 234,231.75 and 93,257.09
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Solution
The fourth proportional to 169,733.06, 234,231.75 and 93,257.09 is: 128,694.85
Step by Step Solution
- Step 1: Write the proportion equation
169,733.06 : 234,231.75 = 93,257.09 : x - Step 2: Convert to fraction form
169,733.06/234,231.75 = 93,257.09/x - Step 3: Cross multiply
169,733.06x = 234,231.75 × 93,257.09 - Step 4: Simplify right side
169,733.06x = 21,843,770,219.45 - Step 5: Solve for x
x = 21,843,770,219.45/169,733.06 - Step 6: Final answer
x = 128,694.85
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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.