Home / 126,016.98-173,786.63-91,971.55

Finding the Fourth Proportional to 126,016.98, 173,786.63 and 91,971.55

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Solution

The fourth proportional to 126,016.98, 173,786.63 and 91,971.55 is: 126,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016.98 : 173,786.63 = 91,971.55 : x
  2. Step 2: Convert to fraction form
    126,016.98/173,786.63 = 91,971.55/x
  3. Step 3: Cross multiply
    126,016.98x = 173,786.63 × 91,971.55
  4. Step 4: Simplify right side
    126,016.98x = 15,983,425,027.54
  5. Step 5: Solve for x
    x = 15,983,425,027.54/126,016.98
  6. Step 6: Final answer
    x = 126,835.49

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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.