Home / 328,614.03-492,992.33-100,910.43

Finding the Fourth Proportional to 328,614.03, 492,992.33 and 100,910.43

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Solution

The fourth proportional to 328,614.03, 492,992.33 and 100,910.43 is: 151,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,614.03 : 492,992.33 = 100,910.43 : x
  2. Step 2: Convert to fraction form
    328,614.03/492,992.33 = 100,910.43/x
  3. Step 3: Cross multiply
    328,614.03x = 492,992.33 × 100,910.43
  4. Step 4: Simplify right side
    328,614.03x = 49,748,067,502.45
  5. Step 5: Solve for x
    x = 49,748,067,502.45/328,614.03
  6. Step 6: Final answer
    x = 151,387.53

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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.