Home / 339,514.14-509,269.19-86,794.23

Finding the Fourth Proportional to 339,514.14, 509,269.19 and 86,794.23

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Solution

The fourth proportional to 339,514.14, 509,269.19 and 86,794.23 is: 130,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,514.14 : 509,269.19 = 86,794.23 : x
  2. Step 2: Convert to fraction form
    339,514.14/509,269.19 = 86,794.23/x
  3. Step 3: Cross multiply
    339,514.14x = 509,269.19 × 86,794.23
  4. Step 4: Simplify right side
    339,514.14x = 44,201,626,774.80
  5. Step 5: Solve for x
    x = 44,201,626,774.80/339,514.14
  6. Step 6: Final answer
    x = 130,190.83

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1.5x scale

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.