Home / 239,144.44-330,020.28-143,652.76

Finding the Fourth Proportional to 239,144.44, 330,020.28 and 143,652.76

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Solution

The fourth proportional to 239,144.44, 330,020.28 and 143,652.76 is: 198,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,144.44 : 330,020.28 = 143,652.76 : x
  2. Step 2: Convert to fraction form
    239,144.44/330,020.28 = 143,652.76/x
  3. Step 3: Cross multiply
    239,144.44x = 330,020.28 × 143,652.76
  4. Step 4: Simplify right side
    239,144.44x = 47,408,324,077.97
  5. Step 5: Solve for x
    x = 47,408,324,077.97/239,144.44
  6. Step 6: Final answer
    x = 198,241.38

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Half scale
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Double scale
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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.