Finding the Fourth Proportional to 177,161.77, 244,421.90 and 113,534.65
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Solution
The fourth proportional to 177,161.77, 244,421.90 and 113,534.65 is: 156,638.50
Step by Step Solution
- Step 1: Write the proportion equation
177,161.77 : 244,421.90 = 113,534.65 : x - Step 2: Convert to fraction form
177,161.77/244,421.90 = 113,534.65/x - Step 3: Cross multiply
177,161.77x = 244,421.90 × 113,534.65 - Step 4: Simplify right side
177,161.77x = 27,750,353,646.73 - Step 5: Solve for x
x = 27,750,353,646.73/177,161.77 - Step 6: Final answer
x = 156,638.50
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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.