Home / 190,633.19-285,951.84-57,514.61

Finding the Fourth Proportional to 190,633.19, 285,951.84 and 57,514.61

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Solution

The fourth proportional to 190,633.19, 285,951.84 and 57,514.61 is: 86,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,633.19 : 285,951.84 = 57,514.61 : x
  2. Step 2: Convert to fraction form
    190,633.19/285,951.84 = 57,514.61/x
  3. Step 3: Cross multiply
    190,633.19x = 285,951.84 × 57,514.61
  4. Step 4: Simplify right side
    190,633.19x = 16,446,408,556.38
  5. Step 5: Solve for x
    x = 16,446,408,556.38/190,633.19
  6. Step 6: Final answer
    x = 86,272.53

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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.