Home / 132,286.27-182,583.94-81,342.84

Finding the Fourth Proportional to 132,286.27, 182,583.94 and 81,342.84

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Solution

The fourth proportional to 132,286.27, 182,583.94 and 81,342.84 is: 112,270.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,286.27 : 182,583.94 = 81,342.84 : x
  2. Step 2: Convert to fraction form
    132,286.27/182,583.94 = 81,342.84/x
  3. Step 3: Cross multiply
    132,286.27x = 182,583.94 × 81,342.84
  4. Step 4: Simplify right side
    132,286.27x = 14,851,896,217.99
  5. Step 5: Solve for x
    x = 14,851,896,217.99/132,286.27
  6. Step 6: Final answer
    x = 112,270.88

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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.