Home / 238,576.86-329,236.45-131,147.57

Finding the Fourth Proportional to 238,576.86, 329,236.45 and 131,147.57

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Solution

The fourth proportional to 238,576.86, 329,236.45 and 131,147.57 is: 180,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,576.86 : 329,236.45 = 131,147.57 : x
  2. Step 2: Convert to fraction form
    238,576.86/329,236.45 = 131,147.57/x
  3. Step 3: Cross multiply
    238,576.86x = 329,236.45 × 131,147.57
  4. Step 4: Simplify right side
    238,576.86x = 43,178,560,868.15
  5. Step 5: Solve for x
    x = 43,178,560,868.15/238,576.86
  6. Step 6: Final answer
    x = 180,983.86

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1.5x scale

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.