Home / 335,945.09-503,988.71-111,292.80

Finding the Fourth Proportional to 335,945.09, 503,988.71 and 111,292.80

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Solution

The fourth proportional to 335,945.09, 503,988.71 and 111,292.80 is: 166,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,945.09 : 503,988.71 = 111,292.80 : x
  2. Step 2: Convert to fraction form
    335,945.09/503,988.71 = 111,292.80/x
  3. Step 3: Cross multiply
    335,945.09x = 503,988.71 × 111,292.80
  4. Step 4: Simplify right side
    335,945.09x = 56,090,314,147.82
  5. Step 5: Solve for x
    x = 56,090,314,147.82/335,945.09
  6. Step 6: Final answer
    x = 166,962.75

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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.