Home / 336,861.36-505,292.04-100,207.44

Finding the Fourth Proportional to 336,861.36, 505,292.04 and 100,207.44

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Solution

The fourth proportional to 336,861.36, 505,292.04 and 100,207.44 is: 150,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,861.36 : 505,292.04 = 100,207.44 : x
  2. Step 2: Convert to fraction form
    336,861.36/505,292.04 = 100,207.44/x
  3. Step 3: Cross multiply
    336,861.36x = 505,292.04 × 100,207.44
  4. Step 4: Simplify right side
    336,861.36x = 50,634,021,780.78
  5. Step 5: Solve for x
    x = 50,634,021,780.78/336,861.36
  6. Step 6: Final answer
    x = 150,311.16

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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.