Home / 317,136.72-475,632.26-189,089.22

Finding the Fourth Proportional to 317,136.72, 475,632.26 and 189,089.22

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Solution

The fourth proportional to 317,136.72, 475,632.26 and 189,089.22 is: 283,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,136.72 : 475,632.26 = 189,089.22 : x
  2. Step 2: Convert to fraction form
    317,136.72/475,632.26 = 189,089.22/x
  3. Step 3: Cross multiply
    317,136.72x = 475,632.26 × 189,089.22
  4. Step 4: Simplify right side
    317,136.72x = 89,936,933,050.24
  5. Step 5: Solve for x
    x = 89,936,933,050.24/317,136.72
  6. Step 6: Final answer
    x = 283,590.41

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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.