Home / 126,842.97-175,044.59-76,532.25

Finding the Fourth Proportional to 126,842.97, 175,044.59 and 76,532.25

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Solution

The fourth proportional to 126,842.97, 175,044.59 and 76,532.25 is: 105,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,842.97 : 175,044.59 = 76,532.25 : x
  2. Step 2: Convert to fraction form
    126,842.97/175,044.59 = 76,532.25/x
  3. Step 3: Cross multiply
    126,842.97x = 175,044.59 × 76,532.25
  4. Step 4: Simplify right side
    126,842.97x = 13,396,555,940.37
  5. Step 5: Solve for x
    x = 13,396,555,940.37/126,842.97
  6. Step 6: Final answer
    x = 105,615.28

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1.5x scale

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.