Home / 143,938.56-215,914.32-44,091.48

Finding the Fourth Proportional to 143,938.56, 215,914.32 and 44,091.48

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Solution

The fourth proportional to 143,938.56, 215,914.32 and 44,091.48 is: 66,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,938.56 : 215,914.32 = 44,091.48 : x
  2. Step 2: Convert to fraction form
    143,938.56/215,914.32 = 44,091.48/x
  3. Step 3: Cross multiply
    143,938.56x = 215,914.32 × 44,091.48
  4. Step 4: Simplify right side
    143,938.56x = 9,519,981,921.99
  5. Step 5: Solve for x
    x = 9,519,981,921.99/143,938.56
  6. Step 6: Final answer
    x = 66,139.20

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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.