Home / 146,101.72-219,162.30-51,320.38

Finding the Fourth Proportional to 146,101.72, 219,162.30 and 51,320.38

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Solution

The fourth proportional to 146,101.72, 219,162.30 and 51,320.38 is: 76,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,101.72 : 219,162.30 = 51,320.38 : x
  2. Step 2: Convert to fraction form
    146,101.72/219,162.30 = 51,320.38/x
  3. Step 3: Cross multiply
    146,101.72x = 219,162.30 × 51,320.38
  4. Step 4: Simplify right side
    146,101.72x = 11,247,492,517.67
  5. Step 5: Solve for x
    x = 11,247,492,517.67/146,101.72
  6. Step 6: Final answer
    x = 76,983.98

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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.