Finding the Fourth Proportional to 114,236.64, 157,624.68 and 73,944.81
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Solution
The fourth proportional to 114,236.64, 157,624.68 and 73,944.81 is: 102,029.67
Step by Step Solution
- Step 1: Write the proportion equation
114,236.64 : 157,624.68 = 73,944.81 : x - Step 2: Convert to fraction form
114,236.64/157,624.68 = 73,944.81/x - Step 3: Cross multiply
114,236.64x = 157,624.68 × 73,944.81 - Step 4: Simplify right side
114,236.64x = 11,655,527,013.91 - Step 5: Solve for x
x = 11,655,527,013.91/114,236.64 - Step 6: Final answer
x = 102,029.67
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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.