Home / 132,286.91-182,584.80-81,343.46

Finding the Fourth Proportional to 132,286.91, 182,584.80 and 81,343.46

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Solution

The fourth proportional to 132,286.91, 182,584.80 and 81,343.46 is: 112,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,286.91 : 182,584.80 = 81,343.46 : x
  2. Step 2: Convert to fraction form
    132,286.91/182,584.80 = 81,343.46/x
  3. Step 3: Cross multiply
    132,286.91x = 182,584.80 × 81,343.46
  4. Step 4: Simplify right side
    132,286.91x = 14,852,079,831.87
  5. Step 5: Solve for x
    x = 14,852,079,831.87/132,286.91
  6. Step 6: Final answer
    x = 112,271.73

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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.