Home / 143,395.76-214,644.36-92,727.56

Finding the Fourth Proportional to 143,395.76, 214,644.36 and 92,727.56

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Solution

The fourth proportional to 143,395.76, 214,644.36 and 92,727.56 is: 138,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,395.76 : 214,644.36 = 92,727.56 : x
  2. Step 2: Convert to fraction form
    143,395.76/214,644.36 = 92,727.56/x
  3. Step 3: Cross multiply
    143,395.76x = 214,644.36 × 92,727.56
  4. Step 4: Simplify right side
    143,395.76x = 19,903,447,770.56
  5. Step 5: Solve for x
    x = 19,903,447,770.56/143,395.76
  6. Step 6: Final answer
    x = 138,800.81

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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.