Home / 335,917.80-503,865.90-111,288.60

Finding the Fourth Proportional to 335,917.80, 503,865.90 and 111,288.60

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Solution

The fourth proportional to 335,917.80, 503,865.90 and 111,288.60 is: 166,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,917.80 : 503,865.90 = 111,288.60 : x
  2. Step 2: Convert to fraction form
    335,917.80/503,865.90 = 111,288.60/x
  3. Step 3: Cross multiply
    335,917.80x = 503,865.90 × 111,288.60
  4. Step 4: Simplify right side
    335,917.80x = 56,074,530,598.74
  5. Step 5: Solve for x
    x = 56,074,530,598.74/335,917.80
  6. Step 6: Final answer
    x = 166,929.32

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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.