Home / 209,208.26-313,946.04-76,075.85

Finding the Fourth Proportional to 209,208.26, 313,946.04 and 76,075.85

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Solution

The fourth proportional to 209,208.26, 313,946.04 and 76,075.85 is: 114,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,208.26 : 313,946.04 = 76,075.85 : x
  2. Step 2: Convert to fraction form
    209,208.26/313,946.04 = 76,075.85/x
  3. Step 3: Cross multiply
    209,208.26x = 313,946.04 × 76,075.85
  4. Step 4: Simplify right side
    209,208.26x = 23,883,711,847.13
  5. Step 5: Solve for x
    x = 23,883,711,847.13/209,208.26
  6. Step 6: Final answer
    x = 114,162.38

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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.