Finding the Fourth Proportional to 110,946.24, 153,068.36 and 63,165.74
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Solution
The fourth proportional to 110,946.24, 153,068.36 and 63,165.74 is: 87,147.39
Step by Step Solution
- Step 1: Write the proportion equation
110,946.24 : 153,068.36 = 63,165.74 : x - Step 2: Convert to fraction form
110,946.24/153,068.36 = 63,165.74/x - Step 3: Cross multiply
110,946.24x = 153,068.36 × 63,165.74 - Step 4: Simplify right side
110,946.24x = 9,668,675,148.82 - Step 5: Solve for x
x = 9,668,675,148.82/110,946.24 - Step 6: Final answer
x = 87,147.39
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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.