Finding the Fourth Proportional to 171,847.23, 237,138.42 and 103,823.99
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Solution
The fourth proportional to 171,847.23, 237,138.42 and 103,823.99 is: 143,270.61
Step by Step Solution
- Step 1: Write the proportion equation
171,847.23 : 237,138.42 = 103,823.99 : x - Step 2: Convert to fraction form
171,847.23/237,138.42 = 103,823.99/x - Step 3: Cross multiply
171,847.23x = 237,138.42 × 103,823.99 - Step 4: Simplify right side
171,847.23x = 24,620,656,946.70 - Step 5: Solve for x
x = 24,620,656,946.70/171,847.23 - Step 6: Final answer
x = 143,270.61
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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.