Finding the Fourth Proportional to 126,908.73, 190,363.53 and 32,138.88
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Solution
The fourth proportional to 126,908.73, 190,363.53 and 32,138.88 is: 48,208.43
Step by Step Solution
- Step 1: Write the proportion equation
126,908.73 : 190,363.53 = 32,138.88 : x - Step 2: Convert to fraction form
126,908.73/190,363.53 = 32,138.88/x - Step 3: Cross multiply
126,908.73x = 190,363.53 × 32,138.88 - Step 4: Simplify right side
126,908.73x = 6,118,070,647.05 - Step 5: Solve for x
x = 6,118,070,647.05/126,908.73 - Step 6: Final answer
x = 48,208.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.