Finding the Fourth Proportional to 97,894.26, 135,159.08 and 75,192.66
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Solution
The fourth proportional to 97,894.26, 135,159.08 and 75,192.66 is: 103,815.80
Step by Step Solution
- Step 1: Write the proportion equation
97,894.26 : 135,159.08 = 75,192.66 : x - Step 2: Convert to fraction form
97,894.26/135,159.08 = 75,192.66/x - Step 3: Cross multiply
97,894.26x = 135,159.08 × 75,192.66 - Step 4: Simplify right side
97,894.26x = 10,162,970,748.35 - Step 5: Solve for x
x = 10,162,970,748.35/97,894.26 - Step 6: Final answer
x = 103,815.80
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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.