Finding the Fourth Proportional to 169,220.13, 233,523.77 and 93,768.63
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Solution
The fourth proportional to 169,220.13, 233,523.77 and 93,768.63 is: 129,400.70
Step by Step Solution
- Step 1: Write the proportion equation
169,220.13 : 233,523.77 = 93,768.63 : x - Step 2: Convert to fraction form
169,220.13/233,523.77 = 93,768.63/x - Step 3: Cross multiply
169,220.13x = 233,523.77 × 93,768.63 - Step 4: Simplify right side
169,220.13x = 21,897,203,985.34 - Step 5: Solve for x
x = 21,897,203,985.34/169,220.13 - Step 6: Final answer
x = 129,400.70
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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.