Finding the Fourth Proportional to 174,428.06, 240,713.24 and 97,963.70
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Solution
The fourth proportional to 174,428.06, 240,713.24 and 97,963.70 is: 135,191.32
Step by Step Solution
- Step 1: Write the proportion equation
174,428.06 : 240,713.24 = 97,963.70 : x - Step 2: Convert to fraction form
174,428.06/240,713.24 = 97,963.70/x - Step 3: Cross multiply
174,428.06x = 240,713.24 × 97,963.70 - Step 4: Simplify right side
174,428.06x = 23,581,159,629.39 - Step 5: Solve for x
x = 23,581,159,629.39/174,428.06 - Step 6: Final answer
x = 135,191.32
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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.