Home / 115,814.28-173,393.72-73,589.70

Finding the Fourth Proportional to 115,814.28, 173,393.72 and 73,589.70

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Solution

The fourth proportional to 115,814.28, 173,393.72 and 73,589.70 is: 110,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,814.28 : 173,393.72 = 73,589.70 : x
  2. Step 2: Convert to fraction form
    115,814.28/173,393.72 = 73,589.70/x
  3. Step 3: Cross multiply
    115,814.28x = 173,393.72 × 73,589.70
  4. Step 4: Simplify right side
    115,814.28x = 12,759,991,836.68
  5. Step 5: Solve for x
    x = 12,759,991,836.68/115,814.28
  6. Step 6: Final answer
    x = 110,176.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.