Home / 115,440.38-173,178.78-48,880.88

Finding the Fourth Proportional to 115,440.38, 173,178.78 and 48,880.88

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Solution

The fourth proportional to 115,440.38, 173,178.78 and 48,880.88 is: 73,329.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.38 : 173,178.78 = 48,880.88 : x
  2. Step 2: Convert to fraction form
    115,440.38/173,178.78 = 48,880.88/x
  3. Step 3: Cross multiply
    115,440.38x = 173,178.78 × 48,880.88
  4. Step 4: Simplify right side
    115,440.38x = 8,465,131,163.73
  5. Step 5: Solve for x
    x = 8,465,131,163.73/115,440.38
  6. Step 6: Final answer
    x = 73,329.03

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1.5x scale

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.