Home / 200,400.08-276,556.28-109,759.86

Finding the Fourth Proportional to 200,400.08, 276,556.28 and 109,759.86

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Solution

The fourth proportional to 200,400.08, 276,556.28 and 109,759.86 is: 151,470.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,400.08 : 276,556.28 = 109,759.86 : x
  2. Step 2: Convert to fraction form
    200,400.08/276,556.28 = 109,759.86/x
  3. Step 3: Cross multiply
    200,400.08x = 276,556.28 × 109,759.86
  4. Step 4: Simplify right side
    200,400.08x = 30,354,778,026.12
  5. Step 5: Solve for x
    x = 30,354,778,026.12/200,400.08
  6. Step 6: Final answer
    x = 151,470.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.