Home / 479,192.18-718,712.07-159,317.43

Finding the Fourth Proportional to 479,192.18, 718,712.07 and 159,317.43

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Solution

The fourth proportional to 479,192.18, 718,712.07 and 159,317.43 is: 238,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,192.18 : 718,712.07 = 159,317.43 : x
  2. Step 2: Convert to fraction form
    479,192.18/718,712.07 = 159,317.43/x
  3. Step 3: Cross multiply
    479,192.18x = 718,712.07 × 159,317.43
  4. Step 4: Simplify right side
    479,192.18x = 114,503,359,902.38
  5. Step 5: Solve for x
    x = 114,503,359,902.38/479,192.18
  6. Step 6: Final answer
    x = 238,950.81

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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.