Home / 185,004.97-255,307.64-100,122.03

Finding the Fourth Proportional to 185,004.97, 255,307.64 and 100,122.03

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Solution

The fourth proportional to 185,004.97, 255,307.64 and 100,122.03 is: 138,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,004.97 : 255,307.64 = 100,122.03 : x
  2. Step 2: Convert to fraction form
    185,004.97/255,307.64 = 100,122.03/x
  3. Step 3: Cross multiply
    185,004.97x = 255,307.64 × 100,122.03
  4. Step 4: Simplify right side
    185,004.97x = 25,561,918,690.70
  5. Step 5: Solve for x
    x = 25,561,918,690.70/185,004.97
  6. Step 6: Final answer
    x = 138,168.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.