Home / 276,771.39-415,288.30-164,673.06

Finding the Fourth Proportional to 276,771.39, 415,288.30 and 164,673.06

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Solution

The fourth proportional to 276,771.39, 415,288.30 and 164,673.06 is: 247,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,771.39 : 415,288.30 = 164,673.06 : x
  2. Step 2: Convert to fraction form
    276,771.39/415,288.30 = 164,673.06/x
  3. Step 3: Cross multiply
    276,771.39x = 415,288.30 × 164,673.06
  4. Step 4: Simplify right side
    276,771.39x = 68,386,795,143.20
  5. Step 5: Solve for x
    x = 68,386,795,143.20/276,771.39
  6. Step 6: Final answer
    x = 247,087.66

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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.