Home / 339,919.22-469,101.91-186,971.65

Finding the Fourth Proportional to 339,919.22, 469,101.91 and 186,971.65

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Solution

The fourth proportional to 339,919.22, 469,101.91 and 186,971.65 is: 258,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,919.22 : 469,101.91 = 186,971.65 : x
  2. Step 2: Convert to fraction form
    339,919.22/469,101.91 = 186,971.65/x
  3. Step 3: Cross multiply
    339,919.22x = 469,101.91 × 186,971.65
  4. Step 4: Simplify right side
    339,919.22x = 87,708,758,130.85
  5. Step 5: Solve for x
    x = 87,708,758,130.85/339,919.22
  6. Step 6: Final answer
    x = 258,028.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.