Finding the Fourth Proportional to 169,478.84, 233,876.35 and 92,997.70
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Solution
The fourth proportional to 169,478.84, 233,876.35 and 92,997.70 is: 128,334.38
Step by Step Solution
- Step 1: Write the proportion equation
169,478.84 : 233,876.35 = 92,997.70 : x - Step 2: Convert to fraction form
169,478.84/233,876.35 = 92,997.70/x - Step 3: Cross multiply
169,478.84x = 233,876.35 × 92,997.70 - Step 4: Simplify right side
169,478.84x = 21,749,962,634.40 - Step 5: Solve for x
x = 21,749,962,634.40/169,478.84 - Step 6: Final answer
x = 128,334.38
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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.