Home / 144,974.70-217,899.45-125,729.10

Finding the Fourth Proportional to 144,974.70, 217,899.45 and 125,729.10

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Solution

The fourth proportional to 144,974.70, 217,899.45 and 125,729.10 is: 188,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,974.70 : 217,899.45 = 125,729.10 : x
  2. Step 2: Convert to fraction form
    144,974.70/217,899.45 = 125,729.10/x
  3. Step 3: Cross multiply
    144,974.70x = 217,899.45 × 125,729.10
  4. Step 4: Simplify right side
    144,974.70x = 27,396,301,739.00
  5. Step 5: Solve for x
    x = 27,396,301,739.00/144,974.70
  6. Step 6: Final answer
    x = 188,972.98

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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.