Finding the Fourth Proportional to 114,659.13, 158,204.12 and 69,336.17
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Solution
The fourth proportional to 114,659.13, 158,204.12 and 69,336.17 is: 95,668.50
Step by Step Solution
- Step 1: Write the proportion equation
114,659.13 : 158,204.12 = 69,336.17 : x - Step 2: Convert to fraction form
114,659.13/158,204.12 = 69,336.17/x - Step 3: Cross multiply
114,659.13x = 158,204.12 × 69,336.17 - Step 4: Simplify right side
114,659.13x = 10,969,266,621.32 - Step 5: Solve for x
x = 10,969,266,621.32/114,659.13 - Step 6: Final answer
x = 95,668.50
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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.