Home / 251,628.87-347,257.39-144,219.63

Finding the Fourth Proportional to 251,628.87, 347,257.39 and 144,219.63

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Solution

The fourth proportional to 251,628.87, 347,257.39 and 144,219.63 is: 199,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,628.87 : 347,257.39 = 144,219.63 : x
  2. Step 2: Convert to fraction form
    251,628.87/347,257.39 = 144,219.63/x
  3. Step 3: Cross multiply
    251,628.87x = 347,257.39 × 144,219.63
  4. Step 4: Simplify right side
    251,628.87x = 50,081,332,300.57
  5. Step 5: Solve for x
    x = 50,081,332,300.57/251,628.87
  6. Step 6: Final answer
    x = 199,028.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.