Home / 110,625.75-165,636.23-77,379.03

Finding the Fourth Proportional to 110,625.75, 165,636.23 and 77,379.03

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Solution

The fourth proportional to 110,625.75, 165,636.23 and 77,379.03 is: 115,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,625.75 : 165,636.23 = 77,379.03 : x
  2. Step 2: Convert to fraction form
    110,625.75/165,636.23 = 77,379.03/x
  3. Step 3: Cross multiply
    110,625.75x = 165,636.23 × 77,379.03
  4. Step 4: Simplify right side
    110,625.75x = 12,816,770,423.36
  5. Step 5: Solve for x
    x = 12,816,770,423.36/110,625.75
  6. Step 6: Final answer
    x = 115,857.03

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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.