Finding the Fourth Proportional to 356,999.99, 535,640.18 and 157,180.19
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Solution
The fourth proportional to 356,999.99, 535,640.18 and 157,180.19 is: 235,832.00
Step by Step Solution
- Step 1: Write the proportion equation
356,999.99 : 535,640.18 = 157,180.19 : x - Step 2: Convert to fraction form
356,999.99/535,640.18 = 157,180.19/x - Step 3: Cross multiply
356,999.99x = 535,640.18 × 157,180.19 - Step 4: Simplify right side
356,999.99x = 84,192,021,799.93 - Step 5: Solve for x
x = 84,192,021,799.93/356,999.99 - Step 6: Final answer
x = 235,832.00
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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.