Home / 168,519.62-232,450.26-128,144.85

Finding the Fourth Proportional to 168,519.62, 232,450.26 and 128,144.85

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Solution

The fourth proportional to 168,519.62, 232,450.26 and 128,144.85 is: 176,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,519.62 : 232,450.26 = 128,144.85 : x
  2. Step 2: Convert to fraction form
    168,519.62/232,450.26 = 128,144.85/x
  3. Step 3: Cross multiply
    168,519.62x = 232,450.26 × 128,144.85
  4. Step 4: Simplify right side
    168,519.62x = 29,787,303,700.16
  5. Step 5: Solve for x
    x = 29,787,303,700.16/168,519.62
  6. Step 6: Final answer
    x = 176,758.67

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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.