Home / 338,398.26-507,578.70-113,735.51

Finding the Fourth Proportional to 338,398.26, 507,578.70 and 113,735.51

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Solution

The fourth proportional to 338,398.26, 507,578.70 and 113,735.51 is: 170,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,398.26 : 507,578.70 = 113,735.51 : x
  2. Step 2: Convert to fraction form
    338,398.26/507,578.70 = 113,735.51/x
  3. Step 3: Cross multiply
    338,398.26x = 507,578.70 × 113,735.51
  4. Step 4: Simplify right side
    338,398.26x = 57,729,722,101.67
  5. Step 5: Solve for x
    x = 57,729,722,101.67/338,398.26
  6. Step 6: Final answer
    x = 170,596.98

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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.