Home / 239,899.12-331,059.16-132,475.92

Finding the Fourth Proportional to 239,899.12, 331,059.16 and 132,475.92

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Solution

The fourth proportional to 239,899.12, 331,059.16 and 132,475.92 is: 182,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,899.12 : 331,059.16 = 132,475.92 : x
  2. Step 2: Convert to fraction form
    239,899.12/331,059.16 = 132,475.92/x
  3. Step 3: Cross multiply
    239,899.12x = 331,059.16 × 132,475.92
  4. Step 4: Simplify right side
    239,899.12x = 43,857,366,795.43
  5. Step 5: Solve for x
    x = 43,857,366,795.43/239,899.12
  6. Step 6: Final answer
    x = 182,815.87

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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.