Home / 132,299.42-182,579.54-81,314.37

Finding the Fourth Proportional to 132,299.42, 182,579.54 and 81,314.37

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Solution

The fourth proportional to 132,299.42, 182,579.54 and 81,314.37 is: 112,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,299.42 : 182,579.54 = 81,314.37 : x
  2. Step 2: Convert to fraction form
    132,299.42/182,579.54 = 81,314.37/x
  3. Step 3: Cross multiply
    132,299.42x = 182,579.54 × 81,314.37
  4. Step 4: Simplify right side
    132,299.42x = 14,846,339,863.42
  5. Step 5: Solve for x
    x = 14,846,339,863.42/132,299.42
  6. Step 6: Final answer
    x = 112,217.73

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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.