Finding the Fourth Proportional to 167,865.40, 251,279.70 and 97,535.80
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Solution
The fourth proportional to 167,865.40, 251,279.70 and 97,535.80 is: 146,002.49
Step by Step Solution
- Step 1: Write the proportion equation
167,865.40 : 251,279.70 = 97,535.80 : x - Step 2: Convert to fraction form
167,865.40/251,279.70 = 97,535.80/x - Step 3: Cross multiply
167,865.40x = 251,279.70 × 97,535.80 - Step 4: Simplify right side
167,865.40x = 24,508,766,563.26 - Step 5: Solve for x
x = 24,508,766,563.26/167,865.40 - Step 6: Final answer
x = 146,002.49
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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.