Home / 168,630.20-253,382.70-149,384.60

Finding the Fourth Proportional to 168,630.20, 253,382.70 and 149,384.60

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Solution

The fourth proportional to 168,630.20, 253,382.70 and 149,384.60 is: 224,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,630.20 : 253,382.70 = 149,384.60 : x
  2. Step 2: Convert to fraction form
    168,630.20/253,382.70 = 149,384.60/x
  3. Step 3: Cross multiply
    168,630.20x = 253,382.70 × 149,384.60
  4. Step 4: Simplify right side
    168,630.20x = 37,851,473,286.42
  5. Step 5: Solve for x
    x = 37,851,473,286.42/168,630.20
  6. Step 6: Final answer
    x = 224,464.38

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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.