Home / 146,286.90-201,737.25-100,892.34

Finding the Fourth Proportional to 146,286.90, 201,737.25 and 100,892.34

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Solution

The fourth proportional to 146,286.90, 201,737.25 and 100,892.34 is: 139,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,286.90 : 201,737.25 = 100,892.34 : x
  2. Step 2: Convert to fraction form
    146,286.90/201,737.25 = 100,892.34/x
  3. Step 3: Cross multiply
    146,286.90x = 201,737.25 × 100,892.34
  4. Step 4: Simplify right side
    146,286.90x = 20,353,743,217.67
  5. Step 5: Solve for x
    x = 20,353,743,217.67/146,286.90
  6. Step 6: Final answer
    x = 139,135.79

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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.