Home / 436,171.76-654,036.20-199,311.48

Finding the Fourth Proportional to 436,171.76, 654,036.20 and 199,311.48

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Solution

The fourth proportional to 436,171.76, 654,036.20 and 199,311.48 is: 298,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,171.76 : 654,036.20 = 199,311.48 : x
  2. Step 2: Convert to fraction form
    436,171.76/654,036.20 = 199,311.48/x
  3. Step 3: Cross multiply
    436,171.76x = 654,036.20 × 199,311.48
  4. Step 4: Simplify right side
    436,171.76x = 130,356,922,995.58
  5. Step 5: Solve for x
    x = 130,356,922,995.58/436,171.76
  6. Step 6: Final answer
    x = 298,866.03

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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.