Finding the Fourth Proportional to 110,595.80, 165,893.70 and 93,315.80
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Solution
The fourth proportional to 110,595.80, 165,893.70 and 93,315.80 is: 139,973.70
Step by Step Solution
- Step 1: Write the proportion equation
110,595.80 : 165,893.70 = 93,315.80 : x - Step 2: Convert to fraction form
110,595.80/165,893.70 = 93,315.80/x - Step 3: Cross multiply
110,595.80x = 165,893.70 × 93,315.80 - Step 4: Simplify right side
110,595.80x = 15,480,503,330.46 - Step 5: Solve for x
x = 15,480,503,330.46/110,595.80 - Step 6: Final answer
x = 139,973.70
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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.