Home / 100,269.43-150,404.49-25,389.54

Finding the Fourth Proportional to 100,269.43, 150,404.49 and 25,389.54

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Solution

The fourth proportional to 100,269.43, 150,404.49 and 25,389.54 is: 38,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,269.43 : 150,404.49 = 25,389.54 : x
  2. Step 2: Convert to fraction form
    100,269.43/150,404.49 = 25,389.54/x
  3. Step 3: Cross multiply
    100,269.43x = 150,404.49 × 25,389.54
  4. Step 4: Simplify right side
    100,269.43x = 3,818,701,144.65
  5. Step 5: Solve for x
    x = 3,818,701,144.65/100,269.43
  6. Step 6: Final answer
    x = 38,084.40

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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.