Finding the Fourth Proportional to 173,473.36, 239,402.38 and 105,479.08
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Solution
The fourth proportional to 173,473.36, 239,402.38 and 105,479.08 is: 145,566.68
Step by Step Solution
- Step 1: Write the proportion equation
173,473.36 : 239,402.38 = 105,479.08 : x - Step 2: Convert to fraction form
173,473.36/239,402.38 = 105,479.08/x - Step 3: Cross multiply
173,473.36x = 239,402.38 × 105,479.08 - Step 4: Simplify right side
173,473.36x = 25,251,941,331.50 - Step 5: Solve for x
x = 25,251,941,331.50/173,473.36 - Step 6: Final answer
x = 145,566.68
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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.