Home / 335,918.09-503,948.21-111,265.80

Finding the Fourth Proportional to 335,918.09, 503,948.21 and 111,265.80

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Solution

The fourth proportional to 335,918.09, 503,948.21 and 111,265.80 is: 166,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,918.09 : 503,948.21 = 111,265.80 : x
  2. Step 2: Convert to fraction form
    335,918.09/503,948.21 = 111,265.80/x
  3. Step 3: Cross multiply
    335,918.09x = 503,948.21 × 111,265.80
  4. Step 4: Simplify right side
    335,918.09x = 56,072,200,187.89
  5. Step 5: Solve for x
    x = 56,072,200,187.89/335,918.09
  6. Step 6: Final answer
    x = 166,922.24

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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.