Home / 132,976.32-184,283.68-130,453.12

Finding the Fourth Proportional to 132,976.32, 184,283.68 and 130,453.12

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Solution

The fourth proportional to 132,976.32, 184,283.68 and 130,453.12 is: 180,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,976.32 : 184,283.68 = 130,453.12 : x
  2. Step 2: Convert to fraction form
    132,976.32/184,283.68 = 130,453.12/x
  3. Step 3: Cross multiply
    132,976.32x = 184,283.68 × 130,453.12
  4. Step 4: Simplify right side
    132,976.32x = 24,040,381,021.08
  5. Step 5: Solve for x
    x = 24,040,381,021.08/132,976.32
  6. Step 6: Final answer
    x = 180,786.93

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.