Finding the Fourth Proportional to 170,358.19, 235,099.16 and 94,911.55
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Solution
The fourth proportional to 170,358.19, 235,099.16 and 94,911.55 is: 130,980.64
Step by Step Solution
- Step 1: Write the proportion equation
170,358.19 : 235,099.16 = 94,911.55 : x - Step 2: Convert to fraction form
170,358.19/235,099.16 = 94,911.55/x - Step 3: Cross multiply
170,358.19x = 235,099.16 × 94,911.55 - Step 4: Simplify right side
170,358.19x = 22,313,624,972.91 - Step 5: Solve for x
x = 22,313,624,972.91/170,358.19 - Step 6: Final answer
x = 130,980.64
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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.