Home / 266,789.89-400,185.51-109,018.32

Finding the Fourth Proportional to 266,789.89, 400,185.51 and 109,018.32

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Solution

The fourth proportional to 266,789.89, 400,185.51 and 109,018.32 is: 163,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,789.89 : 400,185.51 = 109,018.32 : x
  2. Step 2: Convert to fraction form
    266,789.89/400,185.51 = 109,018.32/x
  3. Step 3: Cross multiply
    266,789.89x = 400,185.51 × 109,018.32
  4. Step 4: Simplify right side
    266,789.89x = 43,627,551,988.54
  5. Step 5: Solve for x
    x = 43,627,551,988.54/266,789.89
  6. Step 6: Final answer
    x = 163,527.76

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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.