Home / 126,997.80-190,497.85-54,937.26

Finding the Fourth Proportional to 126,997.80, 190,497.85 and 54,937.26

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Solution

The fourth proportional to 126,997.80, 190,497.85 and 54,937.26 is: 82,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,997.80 : 190,497.85 = 54,937.26 : x
  2. Step 2: Convert to fraction form
    126,997.80/190,497.85 = 54,937.26/x
  3. Step 3: Cross multiply
    126,997.80x = 190,497.85 × 54,937.26
  4. Step 4: Simplify right side
    126,997.80x = 10,465,429,777.55
  5. Step 5: Solve for x
    x = 10,465,429,777.55/126,997.80
  6. Step 6: Final answer
    x = 82,406.39

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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.