Home / 126,687.03-173,896.76-112,025.59

Finding the Fourth Proportional to 126,687.03, 173,896.76 and 112,025.59

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Solution

The fourth proportional to 126,687.03, 173,896.76 and 112,025.59 is: 153,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,687.03 : 173,896.76 = 112,025.59 : x
  2. Step 2: Convert to fraction form
    126,687.03/173,896.76 = 112,025.59/x
  3. Step 3: Cross multiply
    126,687.03x = 173,896.76 × 112,025.59
  4. Step 4: Simplify right side
    126,687.03x = 19,480,887,138.09
  5. Step 5: Solve for x
    x = 19,480,887,138.09/126,687.03
  6. Step 6: Final answer
    x = 153,771.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.