Home / 338,485.10-507,804.26-113,839.36

Finding the Fourth Proportional to 338,485.10, 507,804.26 and 113,839.36

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Solution

The fourth proportional to 338,485.10, 507,804.26 and 113,839.36 is: 170,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,485.10 : 507,804.26 = 113,839.36 : x
  2. Step 2: Convert to fraction form
    338,485.10/507,804.26 = 113,839.36/x
  3. Step 3: Cross multiply
    338,485.10x = 507,804.26 × 113,839.36
  4. Step 4: Simplify right side
    338,485.10x = 57,808,110,124.97
  5. Step 5: Solve for x
    x = 57,808,110,124.97/338,485.10
  6. Step 6: Final answer
    x = 170,784.80

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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.