Home / 147,529.80-221,404.05-108,163.80

Finding the Fourth Proportional to 147,529.80, 221,404.05 and 108,163.80

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Solution

The fourth proportional to 147,529.80, 221,404.05 and 108,163.80 is: 162,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,529.80 : 221,404.05 = 108,163.80 : x
  2. Step 2: Convert to fraction form
    147,529.80/221,404.05 = 108,163.80/x
  3. Step 3: Cross multiply
    147,529.80x = 221,404.05 × 108,163.80
  4. Step 4: Simplify right side
    147,529.80x = 23,947,903,383.39
  5. Step 5: Solve for x
    x = 23,947,903,383.39/147,529.80
  6. Step 6: Final answer
    x = 162,325.87

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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.