Home / 126,825.74-190,030.82-76,922.04

Finding the Fourth Proportional to 126,825.74, 190,030.82 and 76,922.04

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Solution

The fourth proportional to 126,825.74, 190,030.82 and 76,922.04 is: 115,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,825.74 : 190,030.82 = 76,922.04 : x
  2. Step 2: Convert to fraction form
    126,825.74/190,030.82 = 76,922.04/x
  3. Step 3: Cross multiply
    126,825.74x = 190,030.82 × 76,922.04
  4. Step 4: Simplify right side
    126,825.74x = 14,617,557,952.66
  5. Step 5: Solve for x
    x = 14,617,557,952.66/126,825.74
  6. Step 6: Final answer
    x = 115,257.03

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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.