Home / 205,336.40-307,450.88-134,082.56

Finding the Fourth Proportional to 205,336.40, 307,450.88 and 134,082.56

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Solution

The fourth proportional to 205,336.40, 307,450.88 and 134,082.56 is: 200,762.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,336.40 : 307,450.88 = 134,082.56 : x
  2. Step 2: Convert to fraction form
    205,336.40/307,450.88 = 134,082.56/x
  3. Step 3: Cross multiply
    205,336.40x = 307,450.88 × 134,082.56
  4. Step 4: Simplify right side
    205,336.40x = 41,223,801,064.65
  5. Step 5: Solve for x
    x = 41,223,801,064.65/205,336.40
  6. Step 6: Final answer
    x = 200,762.27

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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.