Home / 127,746.75-175,013.87-122,958.24

Finding the Fourth Proportional to 127,746.75, 175,013.87 and 122,958.24

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Solution

The fourth proportional to 127,746.75, 175,013.87 and 122,958.24 is: 168,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746.75 : 175,013.87 = 122,958.24 : x
  2. Step 2: Convert to fraction form
    127,746.75/175,013.87 = 122,958.24/x
  3. Step 3: Cross multiply
    127,746.75x = 175,013.87 × 122,958.24
  4. Step 4: Simplify right side
    127,746.75x = 21,519,397,430.79
  5. Step 5: Solve for x
    x = 21,519,397,430.79/127,746.75
  6. Step 6: Final answer
    x = 168,453.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.