Home / 143,624.22-215,534.76-50,129.97

Finding the Fourth Proportional to 143,624.22, 215,534.76 and 50,129.97

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Solution

The fourth proportional to 143,624.22, 215,534.76 and 50,129.97 is: 75,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,624.22 : 215,534.76 = 50,129.97 : x
  2. Step 2: Convert to fraction form
    143,624.22/215,534.76 = 50,129.97/x
  3. Step 3: Cross multiply
    143,624.22x = 215,534.76 × 50,129.97
  4. Step 4: Simplify right side
    143,624.22x = 10,804,751,052.76
  5. Step 5: Solve for x
    x = 10,804,751,052.76/143,624.22
  6. Step 6: Final answer
    x = 75,229.31

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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.