Home / 146,233.92-219,469.68-76,133.28

Finding the Fourth Proportional to 146,233.92, 219,469.68 and 76,133.28

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Solution

The fourth proportional to 146,233.92, 219,469.68 and 76,133.28 is: 114,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,233.92 : 219,469.68 = 76,133.28 : x
  2. Step 2: Convert to fraction form
    146,233.92/219,469.68 = 76,133.28/x
  3. Step 3: Cross multiply
    146,233.92x = 219,469.68 × 76,133.28
  4. Step 4: Simplify right side
    146,233.92x = 16,708,946,598.95
  5. Step 5: Solve for x
    x = 16,708,946,598.95/146,233.92
  6. Step 6: Final answer
    x = 114,261.77

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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.