Finding the Fourth Proportional to 174,014.10, 261,021.15 and 107,237.70
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Solution
The fourth proportional to 174,014.10, 261,021.15 and 107,237.70 is: 160,856.55
Step by Step Solution
- Step 1: Write the proportion equation
174,014.10 : 261,021.15 = 107,237.70 : x - Step 2: Convert to fraction form
174,014.10/261,021.15 = 107,237.70/x - Step 3: Cross multiply
174,014.10x = 261,021.15 × 107,237.70 - Step 4: Simplify right side
174,014.10x = 27,991,307,777.36 - Step 5: Solve for x
x = 27,991,307,777.36/174,014.10 - Step 6: Final answer
x = 160,856.55
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1.5x scale
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.