Finding the Fourth Proportional to 160,875.50, 222,014.12 and 97,200.99
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Solution
The fourth proportional to 160,875.50, 222,014.12 and 97,200.99 is: 134,140.95
Step by Step Solution
- Step 1: Write the proportion equation
160,875.50 : 222,014.12 = 97,200.99 : x - Step 2: Convert to fraction form
160,875.50/222,014.12 = 97,200.99/x - Step 3: Cross multiply
160,875.50x = 222,014.12 × 97,200.99 - Step 4: Simplify right side
160,875.50x = 21,579,991,771.97 - Step 5: Solve for x
x = 21,579,991,771.97/160,875.50 - Step 6: Final answer
x = 134,140.95
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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.