Home / 404,136.15-606,218.54-100,531.88

Finding the Fourth Proportional to 404,136.15, 606,218.54 and 100,531.88

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Solution

The fourth proportional to 404,136.15, 606,218.54 and 100,531.88 is: 150,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,136.15 : 606,218.54 = 100,531.88 : x
  2. Step 2: Convert to fraction form
    404,136.15/606,218.54 = 100,531.88/x
  3. Step 3: Cross multiply
    404,136.15x = 606,218.54 × 100,531.88
  4. Step 4: Simplify right side
    404,136.15x = 60,944,291,283.93
  5. Step 5: Solve for x
    x = 60,944,291,283.93/404,136.15
  6. Step 6: Final answer
    x = 150,801.39

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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.