Home / 122,168.34-183,315.22-58,198.94

Finding the Fourth Proportional to 122,168.34, 183,315.22 and 58,198.94

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Solution

The fourth proportional to 122,168.34, 183,315.22 and 58,198.94 is: 87,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,168.34 : 183,315.22 = 58,198.94 : x
  2. Step 2: Convert to fraction form
    122,168.34/183,315.22 = 58,198.94/x
  3. Step 3: Cross multiply
    122,168.34x = 183,315.22 × 58,198.94
  4. Step 4: Simplify right side
    122,168.34x = 10,668,751,489.87
  5. Step 5: Solve for x
    x = 10,668,751,489.87/122,168.34
  6. Step 6: Final answer
    x = 87,328.28

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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.