Finding the Fourth Proportional to 174,220.19, 261,153.80 and 118,065.99
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Solution
The fourth proportional to 174,220.19, 261,153.80 and 118,065.99 is: 176,979.38
Step by Step Solution
- Step 1: Write the proportion equation
174,220.19 : 261,153.80 = 118,065.99 : x - Step 2: Convert to fraction form
174,220.19/261,153.80 = 118,065.99/x - Step 3: Cross multiply
174,220.19x = 261,153.80 × 118,065.99 - Step 4: Simplify right side
174,220.19x = 30,833,381,939.26 - Step 5: Solve for x
x = 30,833,381,939.26/174,220.19 - Step 6: Final answer
x = 176,979.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.