Finding the Fourth Proportional to 114,225.68, 157,636.60 and 63,924.68
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Solution
The fourth proportional to 114,225.68, 157,636.60 and 63,924.68 is: 88,218.95
Step by Step Solution
- Step 1: Write the proportion equation
114,225.68 : 157,636.60 = 63,924.68 : x - Step 2: Convert to fraction form
114,225.68/157,636.60 = 63,924.68/x - Step 3: Cross multiply
114,225.68x = 157,636.60 × 63,924.68 - Step 4: Simplify right side
114,225.68x = 10,076,869,211.29 - Step 5: Solve for x
x = 10,076,869,211.29/114,225.68 - Step 6: Final answer
x = 88,218.95
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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.