Home / 126,022.56-189,070.78-37,278.44

Finding the Fourth Proportional to 126,022.56, 189,070.78 and 37,278.44

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Solution

The fourth proportional to 126,022.56, 189,070.78 and 37,278.44 is: 55,928.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,022.56 : 189,070.78 = 37,278.44 : x
  2. Step 2: Convert to fraction form
    126,022.56/189,070.78 = 37,278.44/x
  3. Step 3: Cross multiply
    126,022.56x = 189,070.78 × 37,278.44
  4. Step 4: Simplify right side
    126,022.56x = 7,048,263,727.98
  5. Step 5: Solve for x
    x = 7,048,263,727.98/126,022.56
  6. Step 6: Final answer
    x = 55,928.59

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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.