Home / 143,466.90-215,207.58-54,727.38

Finding the Fourth Proportional to 143,466.90, 215,207.58 and 54,727.38

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Solution

The fourth proportional to 143,466.90, 215,207.58 and 54,727.38 is: 82,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,466.90 : 215,207.58 = 54,727.38 : x
  2. Step 2: Convert to fraction form
    143,466.90/215,207.58 = 54,727.38/x
  3. Step 3: Cross multiply
    143,466.90x = 215,207.58 × 54,727.38
  4. Step 4: Simplify right side
    143,466.90x = 11,777,747,009.54
  5. Step 5: Solve for x
    x = 11,777,747,009.54/143,466.90
  6. Step 6: Final answer
    x = 82,093.83

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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.