Finding the Fourth Proportional to 170,994.18, 235,972.71 and 93,471.41
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Solution
The fourth proportional to 170,994.18, 235,972.71 and 93,471.41 is: 128,990.95
Step by Step Solution
- Step 1: Write the proportion equation
170,994.18 : 235,972.71 = 93,471.41 : x - Step 2: Convert to fraction form
170,994.18/235,972.71 = 93,471.41/x - Step 3: Cross multiply
170,994.18x = 235,972.71 × 93,471.41 - Step 4: Simplify right side
170,994.18x = 22,056,701,925.22 - Step 5: Solve for x
x = 22,056,701,925.22/170,994.18 - Step 6: Final answer
x = 128,990.95
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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.