Home / 122,404.34-183,615.42-51,255.44

Finding the Fourth Proportional to 122,404.34, 183,615.42 and 51,255.44

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Solution

The fourth proportional to 122,404.34, 183,615.42 and 51,255.44 is: 76,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,404.34 : 183,615.42 = 51,255.44 : x
  2. Step 2: Convert to fraction form
    122,404.34/183,615.42 = 51,255.44/x
  3. Step 3: Cross multiply
    122,404.34x = 183,615.42 × 51,255.44
  4. Step 4: Simplify right side
    122,404.34x = 9,411,289,142.88
  5. Step 5: Solve for x
    x = 9,411,289,142.88/122,404.34
  6. Step 6: Final answer
    x = 76,886.89

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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.