Home / 126,250.64-189,375.72-73,623.22

Finding the Fourth Proportional to 126,250.64, 189,375.72 and 73,623.22

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Solution

The fourth proportional to 126,250.64, 189,375.72 and 73,623.22 is: 110,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,250.64 : 189,375.72 = 73,623.22 : x
  2. Step 2: Convert to fraction form
    126,250.64/189,375.72 = 73,623.22/x
  3. Step 3: Cross multiply
    126,250.64x = 189,375.72 × 73,623.22
  4. Step 4: Simplify right side
    126,250.64x = 13,942,450,296.22
  5. Step 5: Solve for x
    x = 13,942,450,296.22/126,250.64
  6. Step 6: Final answer
    x = 110,434.69

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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.