Home / 266,798.16-400,049.44-109,137.28

Finding the Fourth Proportional to 266,798.16, 400,049.44 and 109,137.28

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Solution

The fourth proportional to 266,798.16, 400,049.44 and 109,137.28 is: 163,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,798.16 : 400,049.44 = 109,137.28 : x
  2. Step 2: Convert to fraction form
    266,798.16/400,049.44 = 109,137.28/x
  3. Step 3: Cross multiply
    266,798.16x = 400,049.44 × 109,137.28
  4. Step 4: Simplify right side
    266,798.16x = 43,660,307,747.12
  5. Step 5: Solve for x
    x = 43,660,307,747.12/266,798.16
  6. Step 6: Final answer
    x = 163,645.46

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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.