Home / 135,758.12-187,351.26-82,032.86

Finding the Fourth Proportional to 135,758.12, 187,351.26 and 82,032.86

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Solution

The fourth proportional to 135,758.12, 187,351.26 and 82,032.86 is: 113,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,758.12 : 187,351.26 = 82,032.86 : x
  2. Step 2: Convert to fraction form
    135,758.12/187,351.26 = 82,032.86/x
  3. Step 3: Cross multiply
    135,758.12x = 187,351.26 × 82,032.86
  4. Step 4: Simplify right side
    135,758.12x = 15,368,959,682.40
  5. Step 5: Solve for x
    x = 15,368,959,682.40/135,758.12
  6. Step 6: Final answer
    x = 113,208.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.