Home / 327,051.03-490,481.78-127,326.90

Finding the Fourth Proportional to 327,051.03, 490,481.78 and 127,326.90

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Solution

The fourth proportional to 327,051.03, 490,481.78 and 127,326.90 is: 190,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,051.03 : 490,481.78 = 127,326.90 : x
  2. Step 2: Convert to fraction form
    327,051.03/490,481.78 = 127,326.90/x
  3. Step 3: Cross multiply
    327,051.03x = 490,481.78 × 127,326.90
  4. Step 4: Simplify right side
    327,051.03x = 62,451,523,917.25
  5. Step 5: Solve for x
    x = 62,451,523,917.25/327,051.03
  6. Step 6: Final answer
    x = 190,953.45

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1.5x scale

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.