Home / 126,443.34-189,693.26-47,558.26

Finding the Fourth Proportional to 126,443.34, 189,693.26 and 47,558.26

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Solution

The fourth proportional to 126,443.34, 189,693.26 and 47,558.26 is: 71,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,443.34 : 189,693.26 = 47,558.26 : x
  2. Step 2: Convert to fraction form
    126,443.34/189,693.26 = 47,558.26/x
  3. Step 3: Cross multiply
    126,443.34x = 189,693.26 × 47,558.26
  4. Step 4: Simplify right side
    126,443.34x = 9,021,481,379.33
  5. Step 5: Solve for x
    x = 9,021,481,379.33/126,443.34
  6. Step 6: Final answer
    x = 71,348.02

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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.