Home / 404,136.04-606,218.38-100,531.78

Finding the Fourth Proportional to 404,136.04, 606,218.38 and 100,531.78

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Solution

The fourth proportional to 404,136.04, 606,218.38 and 100,531.78 is: 150,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,136.04 : 606,218.38 = 100,531.78 : x
  2. Step 2: Convert to fraction form
    404,136.04/606,218.38 = 100,531.78/x
  3. Step 3: Cross multiply
    404,136.04x = 606,218.38 × 100,531.78
  4. Step 4: Simplify right side
    404,136.04x = 60,944,209,276.37
  5. Step 5: Solve for x
    x = 60,944,209,276.37/404,136.04
  6. Step 6: Final answer
    x = 150,801.23

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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.