Home / 209,350.29-313,775.27-76,074.51

Finding the Fourth Proportional to 209,350.29, 313,775.27 and 76,074.51

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Solution

The fourth proportional to 209,350.29, 313,775.27 and 76,074.51 is: 114,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,350.29 : 313,775.27 = 76,074.51 : x
  2. Step 2: Convert to fraction form
    209,350.29/313,775.27 = 76,074.51/x
  3. Step 3: Cross multiply
    209,350.29x = 313,775.27 × 76,074.51
  4. Step 4: Simplify right side
    209,350.29x = 23,870,299,915.37
  5. Step 5: Solve for x
    x = 23,870,299,915.37/209,350.29
  6. Step 6: Final answer
    x = 114,020.86

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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.