Home / 130,310.42-179,847.72-82,568.24

Finding the Fourth Proportional to 130,310.42, 179,847.72 and 82,568.24

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Solution

The fourth proportional to 130,310.42, 179,847.72 and 82,568.24 is: 113,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,310.42 : 179,847.72 = 82,568.24 : x
  2. Step 2: Convert to fraction form
    130,310.42/179,847.72 = 82,568.24/x
  3. Step 3: Cross multiply
    130,310.42x = 179,847.72 × 82,568.24
  4. Step 4: Simplify right side
    130,310.42x = 14,849,709,708.41
  5. Step 5: Solve for x
    x = 14,849,709,708.41/130,310.42
  6. Step 6: Final answer
    x = 113,956.43

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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.