Home / 121,573.36-182,360.04-51,453.28

Finding the Fourth Proportional to 121,573.36, 182,360.04 and 51,453.28

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Solution

The fourth proportional to 121,573.36, 182,360.04 and 51,453.28 is: 77,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,573.36 : 182,360.04 = 51,453.28 : x
  2. Step 2: Convert to fraction form
    121,573.36/182,360.04 = 51,453.28/x
  3. Step 3: Cross multiply
    121,573.36x = 182,360.04 × 51,453.28
  4. Step 4: Simplify right side
    121,573.36x = 9,383,022,198.93
  5. Step 5: Solve for x
    x = 9,383,022,198.93/121,573.36
  6. Step 6: Final answer
    x = 77,179.92

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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.