Home / 126,370.02-189,551.37-51,471.64

Finding the Fourth Proportional to 126,370.02, 189,551.37 and 51,471.64

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Solution

The fourth proportional to 126,370.02, 189,551.37 and 51,471.64 is: 77,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,370.02 : 189,551.37 = 51,471.64 : x
  2. Step 2: Convert to fraction form
    126,370.02/189,551.37 = 51,471.64/x
  3. Step 3: Cross multiply
    126,370.02x = 189,551.37 × 51,471.64
  4. Step 4: Simplify right side
    126,370.02x = 9,756,519,404.27
  5. Step 5: Solve for x
    x = 9,756,519,404.27/126,370.02
  6. Step 6: Final answer
    x = 77,205.97

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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.