Home / 739,198.80-1,108,798.20-178,233.30

Finding the Fourth Proportional to 739,198.80, 1,108,798.20 and 178,233.30

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Solution

The fourth proportional to 739,198.80, 1,108,798.20 and 178,233.30 is: 267,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,198.80 : 1,108,798.20 = 178,233.30 : x
  2. Step 2: Convert to fraction form
    739,198.80/1,108,798.20 = 178,233.30/x
  3. Step 3: Cross multiply
    739,198.80x = 1,108,798.20 × 178,233.30
  4. Step 4: Simplify right side
    739,198.80x = 197,624,762,220.06
  5. Step 5: Solve for x
    x = 197,624,762,220.06/739,198.80
  6. Step 6: Final answer
    x = 267,349.95

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Double scale
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Similar ratio
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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.