Home / 175,517.75-263,065.10-80,616.98

Finding the Fourth Proportional to 175,517.75, 263,065.10 and 80,616.98

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Solution

The fourth proportional to 175,517.75, 263,065.10 and 80,616.98 is: 120,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,517.75 : 263,065.10 = 80,616.98 : x
  2. Step 2: Convert to fraction form
    175,517.75/263,065.10 = 80,616.98/x
  3. Step 3: Cross multiply
    175,517.75x = 263,065.10 × 80,616.98
  4. Step 4: Simplify right side
    175,517.75x = 21,207,512,186.99
  5. Step 5: Solve for x
    x = 21,207,512,186.99/175,517.75
  6. Step 6: Final answer
    x = 120,828.31

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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.