Finding the Fourth Proportional to 106,801.80, 160,202.70 and 92,977.80
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Solution
The fourth proportional to 106,801.80, 160,202.70 and 92,977.80 is: 139,466.70
Step by Step Solution
- Step 1: Write the proportion equation
106,801.80 : 160,202.70 = 92,977.80 : x - Step 2: Convert to fraction form
106,801.80/160,202.70 = 92,977.80/x - Step 3: Cross multiply
106,801.80x = 160,202.70 × 92,977.80 - Step 4: Simplify right side
106,801.80x = 14,895,294,600.06 - Step 5: Solve for x
x = 14,895,294,600.06/106,801.80 - Step 6: Final answer
x = 139,466.70
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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.