Home / 226,636.60-339,987.30-76,883.80

Finding the Fourth Proportional to 226,636.60, 339,987.30 and 76,883.80

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Solution

The fourth proportional to 226,636.60, 339,987.30 and 76,883.80 is: 115,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,636.60 : 339,987.30 = 76,883.80 : x
  2. Step 2: Convert to fraction form
    226,636.60/339,987.30 = 76,883.80/x
  3. Step 3: Cross multiply
    226,636.60x = 339,987.30 × 76,883.80
  4. Step 4: Simplify right side
    226,636.60x = 26,139,515,575.74
  5. Step 5: Solve for x
    x = 26,139,515,575.74/226,636.60
  6. Step 6: Final answer
    x = 115,336.69

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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.