Home / 269,829.12-404,763.24-103,617.12

Finding the Fourth Proportional to 269,829.12, 404,763.24 and 103,617.12

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Solution

The fourth proportional to 269,829.12, 404,763.24 and 103,617.12 is: 155,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,829.12 : 404,763.24 = 103,617.12 : x
  2. Step 2: Convert to fraction form
    269,829.12/404,763.24 = 103,617.12/x
  3. Step 3: Cross multiply
    269,829.12x = 404,763.24 × 103,617.12
  4. Step 4: Simplify right side
    269,829.12x = 41,940,401,210.67
  5. Step 5: Solve for x
    x = 41,940,401,210.67/269,829.12
  6. Step 6: Final answer
    x = 155,433.19

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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.