Finding the Fourth Proportional to 166,943.70, 250,415.55 and 141,023.70
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Solution
The fourth proportional to 166,943.70, 250,415.55 and 141,023.70 is: 211,535.55
Step by Step Solution
- Step 1: Write the proportion equation
166,943.70 : 250,415.55 = 141,023.70 : x - Step 2: Convert to fraction form
166,943.70/250,415.55 = 141,023.70/x - Step 3: Cross multiply
166,943.70x = 250,415.55 × 141,023.70 - Step 4: Simplify right side
166,943.70x = 35,314,527,398.54 - Step 5: Solve for x
x = 35,314,527,398.54/166,943.70 - Step 6: Final answer
x = 211,535.55
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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.