Home / 122,489.11-183,640.24-55,882.67

Finding the Fourth Proportional to 122,489.11, 183,640.24 and 55,882.67

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Solution

The fourth proportional to 122,489.11, 183,640.24 and 55,882.67 is: 83,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,489.11 : 183,640.24 = 55,882.67 : x
  2. Step 2: Convert to fraction form
    122,489.11/183,640.24 = 55,882.67/x
  3. Step 3: Cross multiply
    122,489.11x = 183,640.24 × 55,882.67
  4. Step 4: Simplify right side
    122,489.11x = 10,262,306,651.23
  5. Step 5: Solve for x
    x = 10,262,306,651.23/122,489.11
  6. Step 6: Final answer
    x = 83,781.38

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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.