Finding the Fourth Proportional to 116,126.67, 174,190.23 and 31,887.99
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Solution
The fourth proportional to 116,126.67, 174,190.23 and 31,887.99 is: 47,832.05
Step by Step Solution
- Step 1: Write the proportion equation
116,126.67 : 174,190.23 = 31,887.99 : x - Step 2: Convert to fraction form
116,126.67/174,190.23 = 31,887.99/x - Step 3: Cross multiply
116,126.67x = 174,190.23 × 31,887.99 - Step 4: Simplify right side
116,126.67x = 5,554,576,312.34 - Step 5: Solve for x
x = 5,554,576,312.34/116,126.67 - Step 6: Final answer
x = 47,832.05
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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.