Home / 264,629.20-396,943.80-67,637.20

Finding the Fourth Proportional to 264,629.20, 396,943.80 and 67,637.20

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Solution

The fourth proportional to 264,629.20, 396,943.80 and 67,637.20 is: 101,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,629.20 : 396,943.80 = 67,637.20 : x
  2. Step 2: Convert to fraction form
    264,629.20/396,943.80 = 67,637.20/x
  3. Step 3: Cross multiply
    264,629.20x = 396,943.80 × 67,637.20
  4. Step 4: Simplify right side
    264,629.20x = 26,848,167,189.36
  5. Step 5: Solve for x
    x = 26,848,167,189.36/264,629.20
  6. Step 6: Final answer
    x = 101,455.80

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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.