Finding the Fourth Proportional to 240,164.06, 331,379.30 and 144,675.99
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Solution
The fourth proportional to 240,164.06, 331,379.30 and 144,675.99 is: 199,624.50
Step by Step Solution
- Step 1: Write the proportion equation
240,164.06 : 331,379.30 = 144,675.99 : x - Step 2: Convert to fraction form
240,164.06/331,379.30 = 144,675.99/x - Step 3: Cross multiply
240,164.06x = 331,379.30 × 144,675.99 - Step 4: Simplify right side
240,164.06x = 47,942,628,654.70 - Step 5: Solve for x
x = 47,942,628,654.70/240,164.06 - Step 6: Final answer
x = 199,624.50
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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.