Finding the Fourth Proportional to 125,192.20, 187,442.70 and 97,544.20
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Solution
The fourth proportional to 125,192.20, 187,442.70 and 97,544.20 is: 146,047.02
Step by Step Solution
- Step 1: Write the proportion equation
125,192.20 : 187,442.70 = 97,544.20 : x - Step 2: Convert to fraction form
125,192.20/187,442.70 = 97,544.20/x - Step 3: Cross multiply
125,192.20x = 187,442.70 × 97,544.20 - Step 4: Simplify right side
125,192.20x = 18,283,948,217.34 - Step 5: Solve for x
x = 18,283,948,217.34/125,192.20 - Step 6: Final answer
x = 146,047.02
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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.