Finding the Fourth Proportional to 117,031.80, 175,547.70 and 93,703.80
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Solution
The fourth proportional to 117,031.80, 175,547.70 and 93,703.80 is: 140,555.70
Step by Step Solution
- Step 1: Write the proportion equation
117,031.80 : 175,547.70 = 93,703.80 : x - Step 2: Convert to fraction form
117,031.80/175,547.70 = 93,703.80/x - Step 3: Cross multiply
117,031.80x = 175,547.70 × 93,703.80 - Step 4: Simplify right side
117,031.80x = 16,449,486,571.26 - Step 5: Solve for x
x = 16,449,486,571.26/117,031.80 - Step 6: Final answer
x = 140,555.70
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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.