Finding the Fourth Proportional to 170,457.36, 235,220.49 and 93,972.48
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Solution
The fourth proportional to 170,457.36, 235,220.49 and 93,972.48 is: 129,676.14
Step by Step Solution
- Step 1: Write the proportion equation
170,457.36 : 235,220.49 = 93,972.48 : x - Step 2: Convert to fraction form
170,457.36/235,220.49 = 93,972.48/x - Step 3: Cross multiply
170,457.36x = 235,220.49 × 93,972.48 - Step 4: Simplify right side
170,457.36x = 22,104,252,792.12 - Step 5: Solve for x
x = 22,104,252,792.12/170,457.36 - Step 6: Final answer
x = 129,676.14
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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.