Home / 144,974.20-217,898.70-125,728.60

Finding the Fourth Proportional to 144,974.20, 217,898.70 and 125,728.60

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Solution

The fourth proportional to 144,974.20, 217,898.70 and 125,728.60 is: 188,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,974.20 : 217,898.70 = 125,728.60 : x
  2. Step 2: Convert to fraction form
    144,974.20/217,898.70 = 125,728.60/x
  3. Step 3: Cross multiply
    144,974.20x = 217,898.70 × 125,728.60
  4. Step 4: Simplify right side
    144,974.20x = 27,396,098,492.82
  5. Step 5: Solve for x
    x = 27,396,098,492.82/144,974.20
  6. Step 6: Final answer
    x = 188,972.23

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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.