Home / 338,399.26-507,580.20-113,736.51

Finding the Fourth Proportional to 338,399.26, 507,580.20 and 113,736.51

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Solution

The fourth proportional to 338,399.26, 507,580.20 and 113,736.51 is: 170,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,399.26 : 507,580.20 = 113,736.51 : x
  2. Step 2: Convert to fraction form
    338,399.26/507,580.20 = 113,736.51/x
  3. Step 3: Cross multiply
    338,399.26x = 507,580.20 × 113,736.51
  4. Step 4: Simplify right side
    338,399.26x = 57,730,400,493.10
  5. Step 5: Solve for x
    x = 57,730,400,493.10/338,399.26
  6. Step 6: Final answer
    x = 170,598.48

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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.