Finding the Fourth Proportional to 175,808.16, 242,555.58 and 99,316.08
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Solution
The fourth proportional to 175,808.16, 242,555.58 and 99,316.08 is: 137,022.48
Step by Step Solution
- Step 1: Write the proportion equation
175,808.16 : 242,555.58 = 99,316.08 : x - Step 2: Convert to fraction form
175,808.16/242,555.58 = 99,316.08/x - Step 3: Cross multiply
175,808.16x = 242,555.58 × 99,316.08 - Step 4: Simplify right side
175,808.16x = 24,089,669,387.73 - Step 5: Solve for x
x = 24,089,669,387.73/175,808.16 - Step 6: Final answer
x = 137,022.48
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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.