Home / 266,986.80-400,627.62-109,325.70

Finding the Fourth Proportional to 266,986.80, 400,627.62 and 109,325.70

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Solution

The fourth proportional to 266,986.80, 400,627.62 and 109,325.70 is: 164,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,986.80 : 400,627.62 = 109,325.70 : x
  2. Step 2: Convert to fraction form
    266,986.80/400,627.62 = 109,325.70/x
  3. Step 3: Cross multiply
    266,986.80x = 400,627.62 × 109,325.70
  4. Step 4: Simplify right side
    266,986.80x = 43,798,894,995.83
  5. Step 5: Solve for x
    x = 43,798,894,995.83/266,986.80
  6. Step 6: Final answer
    x = 164,048.92

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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.