Finding the Fourth Proportional to 168,715.44, 232,820.88 and 97,118.40
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Solution
The fourth proportional to 168,715.44, 232,820.88 and 97,118.40 is: 134,019.69
Step by Step Solution
- Step 1: Write the proportion equation
168,715.44 : 232,820.88 = 97,118.40 : x - Step 2: Convert to fraction form
168,715.44/232,820.88 = 97,118.40/x - Step 3: Cross multiply
168,715.44x = 232,820.88 × 97,118.40 - Step 4: Simplify right side
168,715.44x = 22,611,191,352.19 - Step 5: Solve for x
x = 22,611,191,352.19/168,715.44 - Step 6: Final answer
x = 134,019.69
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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.