Home / 226,590.60-339,918.30-76,837.80

Finding the Fourth Proportional to 226,590.60, 339,918.30 and 76,837.80

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Solution

The fourth proportional to 226,590.60, 339,918.30 and 76,837.80 is: 115,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,590.60 : 339,918.30 = 76,837.80 : x
  2. Step 2: Convert to fraction form
    226,590.60/339,918.30 = 76,837.80/x
  3. Step 3: Cross multiply
    226,590.60x = 339,918.30 × 76,837.80
  4. Step 4: Simplify right side
    226,590.60x = 26,118,574,351.74
  5. Step 5: Solve for x
    x = 26,118,574,351.74/226,590.60
  6. Step 6: Final answer
    x = 115,267.69

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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.