Home / 445,132.64-667,699.80-108,173.60

Finding the Fourth Proportional to 445,132.64, 667,699.80 and 108,173.60

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Solution

The fourth proportional to 445,132.64, 667,699.80 and 108,173.60 is: 162,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,132.64 : 667,699.80 = 108,173.60 : x
  2. Step 2: Convert to fraction form
    445,132.64/667,699.80 = 108,173.60/x
  3. Step 3: Cross multiply
    445,132.64x = 667,699.80 × 108,173.60
  4. Step 4: Simplify right side
    445,132.64x = 72,227,491,085.28
  5. Step 5: Solve for x
    x = 72,227,491,085.28/445,132.64
  6. Step 6: Final answer
    x = 162,260.60

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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.