Home / 445,018.41-667,478.59-125,180.42

Finding the Fourth Proportional to 445,018.41, 667,478.59 and 125,180.42

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Solution

The fourth proportional to 445,018.41, 667,478.59 and 125,180.42 is: 187,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,018.41 : 667,478.59 = 125,180.42 : x
  2. Step 2: Convert to fraction form
    445,018.41/667,478.59 = 125,180.42/x
  3. Step 3: Cross multiply
    445,018.41x = 667,478.59 × 125,180.42
  4. Step 4: Simplify right side
    445,018.41x = 83,555,250,759.60
  5. Step 5: Solve for x
    x = 83,555,250,759.60/445,018.41
  6. Step 6: Final answer
    x = 187,756.84

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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.