Home / 446,375.85-669,569.22-130,839.09

Finding the Fourth Proportional to 446,375.85, 669,569.22 and 130,839.09

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Solution

The fourth proportional to 446,375.85, 669,569.22 and 130,839.09 is: 196,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,375.85 : 669,569.22 = 130,839.09 : x
  2. Step 2: Convert to fraction form
    446,375.85/669,569.22 = 130,839.09/x
  3. Step 3: Cross multiply
    446,375.85x = 669,569.22 × 130,839.09
  4. Step 4: Simplify right side
    446,375.85x = 87,605,827,436.81
  5. Step 5: Solve for x
    x = 87,605,827,436.81/446,375.85
  6. Step 6: Final answer
    x = 196,260.23

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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.