Home / 143,918.28-215,902.38-44,076.12

Finding the Fourth Proportional to 143,918.28, 215,902.38 and 44,076.12

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Solution

The fourth proportional to 143,918.28, 215,902.38 and 44,076.12 is: 66,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,918.28 : 215,902.38 = 44,076.12 : x
  2. Step 2: Convert to fraction form
    143,918.28/215,902.38 = 44,076.12/x
  3. Step 3: Cross multiply
    143,918.28x = 215,902.38 × 44,076.12
  4. Step 4: Simplify right side
    143,918.28x = 9,516,139,209.17
  5. Step 5: Solve for x
    x = 9,516,139,209.17/143,918.28
  6. Step 6: Final answer
    x = 66,121.82

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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.