Home / 338,629.31-507,954.67-125,450.58

Finding the Fourth Proportional to 338,629.31, 507,954.67 and 125,450.58

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Solution

The fourth proportional to 338,629.31, 507,954.67 and 125,450.58 is: 188,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,629.31 : 507,954.67 = 125,450.58 : x
  2. Step 2: Convert to fraction form
    338,629.31/507,954.67 = 125,450.58/x
  3. Step 3: Cross multiply
    338,629.31x = 507,954.67 × 125,450.58
  4. Step 4: Simplify right side
    338,629.31x = 63,723,205,895.87
  5. Step 5: Solve for x
    x = 63,723,205,895.87/338,629.31
  6. Step 6: Final answer
    x = 188,179.83

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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.