Finding the Fourth Proportional to 179,266.93, 247,378.97 and 98,678.71
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Solution
The fourth proportional to 179,266.93, 247,378.97 and 98,678.71 is: 136,171.45
Step by Step Solution
- Step 1: Write the proportion equation
179,266.93 : 247,378.97 = 98,678.71 : x - Step 2: Convert to fraction form
179,266.93/247,378.97 = 98,678.71/x - Step 3: Cross multiply
179,266.93x = 247,378.97 × 98,678.71 - Step 4: Simplify right side
179,266.93x = 24,411,037,826.60 - Step 5: Solve for x
x = 24,411,037,826.60/179,266.93 - Step 6: Final answer
x = 136,171.45
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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.