Finding the Fourth Proportional to 143,832.10, 201,102.50 and 143,832.10
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Solution
The fourth proportional to 143,832.10, 201,102.50 and 143,832.10 is: 201,102.50
Step by Step Solution
- Step 1: Write the proportion equation
143,832.10 : 201,102.50 = 143,832.10 : x - Step 2: Convert to fraction form
143,832.10/201,102.50 = 143,832.10/x - Step 3: Cross multiply
143,832.10x = 201,102.50 × 143,832.10 - Step 4: Simplify right side
143,832.10x = 28,924,994,890.25 - Step 5: Solve for x
x = 28,924,994,890.25/143,832.10 - Step 6: Final answer
x = 201,102.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.