Home / 126,933.35-190,399.57-56,763.41

Finding the Fourth Proportional to 126,933.35, 190,399.57 and 56,763.41

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Solution

The fourth proportional to 126,933.35, 190,399.57 and 56,763.41 is: 85,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,933.35 : 190,399.57 = 56,763.41 : x
  2. Step 2: Convert to fraction form
    126,933.35/190,399.57 = 56,763.41/x
  3. Step 3: Cross multiply
    126,933.35x = 190,399.57 × 56,763.41
  4. Step 4: Simplify right side
    126,933.35x = 10,807,727,761.83
  5. Step 5: Solve for x
    x = 10,807,727,761.83/126,933.35
  6. Step 6: Final answer
    x = 85,144.91

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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.