Home / 126,507.13-189,754.22-37,761.37

Finding the Fourth Proportional to 126,507.13, 189,754.22 and 37,761.37

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Solution

The fourth proportional to 126,507.13, 189,754.22 and 37,761.37 is: 56,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,507.13 : 189,754.22 = 37,761.37 : x
  2. Step 2: Convert to fraction form
    126,507.13/189,754.22 = 37,761.37/x
  3. Step 3: Cross multiply
    126,507.13x = 189,754.22 × 37,761.37
  4. Step 4: Simplify right side
    126,507.13x = 7,165,379,121.67
  5. Step 5: Solve for x
    x = 7,165,379,121.67/126,507.13
  6. Step 6: Final answer
    x = 56,640.12

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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.