Home / 126,051.41-173,936.30-76,968.36

Finding the Fourth Proportional to 126,051.41, 173,936.30 and 76,968.36

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Solution

The fourth proportional to 126,051.41, 173,936.30 and 76,968.36 is: 106,207.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,051.41 : 173,936.30 = 76,968.36 : x
  2. Step 2: Convert to fraction form
    126,051.41/173,936.30 = 76,968.36/x
  3. Step 3: Cross multiply
    126,051.41x = 173,936.30 × 76,968.36
  4. Step 4: Simplify right side
    126,051.41x = 13,387,591,370.63
  5. Step 5: Solve for x
    x = 13,387,591,370.63/126,051.41
  6. Step 6: Final answer
    x = 106,207.39

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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.