Finding the Fourth Proportional to 163,885.68, 245,828.52 and 93,715.92
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Solution
The fourth proportional to 163,885.68, 245,828.52 and 93,715.92 is: 140,573.88
Step by Step Solution
- Step 1: Write the proportion equation
163,885.68 : 245,828.52 = 93,715.92 : x - Step 2: Convert to fraction form
163,885.68/245,828.52 = 93,715.92/x - Step 3: Cross multiply
163,885.68x = 245,828.52 × 93,715.92 - Step 4: Simplify right side
163,885.68x = 23,038,045,914.04 - Step 5: Solve for x
x = 23,038,045,914.04/163,885.68 - Step 6: Final answer
x = 140,573.88
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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.