Home / 411,112.24-616,792.56-195,136.72

Finding the Fourth Proportional to 411,112.24, 616,792.56 and 195,136.72

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Solution

The fourth proportional to 411,112.24, 616,792.56 and 195,136.72 is: 292,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,112.24 : 616,792.56 = 195,136.72 : x
  2. Step 2: Convert to fraction form
    411,112.24/616,792.56 = 195,136.72/x
  3. Step 3: Cross multiply
    411,112.24x = 616,792.56 × 195,136.72
  4. Step 4: Simplify right side
    411,112.24x = 120,358,877,078.80
  5. Step 5: Solve for x
    x = 120,358,877,078.80/411,112.24
  6. Step 6: Final answer
    x = 292,764.03

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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.