Home / 122,407.38-183,393.59-51,173.01

Finding the Fourth Proportional to 122,407.38, 183,393.59 and 51,173.01

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Solution

The fourth proportional to 122,407.38, 183,393.59 and 51,173.01 is: 76,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,407.38 : 183,393.59 = 51,173.01 : x
  2. Step 2: Convert to fraction form
    122,407.38/183,393.59 = 51,173.01/x
  3. Step 3: Cross multiply
    122,407.38x = 183,393.59 × 51,173.01
  4. Step 4: Simplify right side
    122,407.38x = 9,384,801,759.14
  5. Step 5: Solve for x
    x = 9,384,801,759.14/122,407.38
  6. Step 6: Final answer
    x = 76,668.59

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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.