Home / 168,004.85-251,919.78-79,234.52

Finding the Fourth Proportional to 168,004.85, 251,919.78 and 79,234.52

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Solution

The fourth proportional to 168,004.85, 251,919.78 and 79,234.52 is: 118,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,004.85 : 251,919.78 = 79,234.52 : x
  2. Step 2: Convert to fraction form
    168,004.85/251,919.78 = 79,234.52/x
  3. Step 3: Cross multiply
    168,004.85x = 251,919.78 × 79,234.52
  4. Step 4: Simplify right side
    168,004.85x = 19,960,742,846.81
  5. Step 5: Solve for x
    x = 19,960,742,846.81/168,004.85
  6. Step 6: Final answer
    x = 118,810.52

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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.