Finding the Fourth Proportional to 110,900.48, 153,044.14 and 63,154.02
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Solution
The fourth proportional to 110,900.48, 153,044.14 and 63,154.02 is: 87,153.39
Step by Step Solution
- Step 1: Write the proportion equation
110,900.48 : 153,044.14 = 63,154.02 : x - Step 2: Convert to fraction form
110,900.48/153,044.14 = 63,154.02/x - Step 3: Cross multiply
110,900.48x = 153,044.14 × 63,154.02 - Step 4: Simplify right side
110,900.48x = 9,665,352,678.44 - Step 5: Solve for x
x = 9,665,352,678.44/110,900.48 - Step 6: Final answer
x = 87,153.39
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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.