Home / 126,722.28-190,083.42-56,650.44

Finding the Fourth Proportional to 126,722.28, 190,083.42 and 56,650.44

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Solution

The fourth proportional to 126,722.28, 190,083.42 and 56,650.44 is: 84,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,722.28 : 190,083.42 = 56,650.44 : x
  2. Step 2: Convert to fraction form
    126,722.28/190,083.42 = 56,650.44/x
  3. Step 3: Cross multiply
    126,722.28x = 190,083.42 × 56,650.44
  4. Step 4: Simplify right side
    126,722.28x = 10,768,309,379.70
  5. Step 5: Solve for x
    x = 10,768,309,379.70/126,722.28
  6. Step 6: Final answer
    x = 84,975.66

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1.5x scale

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.