Home / 266,964.12-400,383.27-77,374.44

Finding the Fourth Proportional to 266,964.12, 400,383.27 and 77,374.44

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Solution

The fourth proportional to 266,964.12, 400,383.27 and 77,374.44 is: 116,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,964.12 : 400,383.27 = 77,374.44 : x
  2. Step 2: Convert to fraction form
    266,964.12/400,383.27 = 77,374.44/x
  3. Step 3: Cross multiply
    266,964.12x = 400,383.27 × 77,374.44
  4. Step 4: Simplify right side
    266,964.12x = 30,979,431,301.62
  5. Step 5: Solve for x
    x = 30,979,431,301.62/266,964.12
  6. Step 6: Final answer
    x = 116,043.43

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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.