Home / 146,630.70-219,902.18-76,471.74

Finding the Fourth Proportional to 146,630.70, 219,902.18 and 76,471.74

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Solution

The fourth proportional to 146,630.70, 219,902.18 and 76,471.74 is: 114,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,630.70 : 219,902.18 = 76,471.74 : x
  2. Step 2: Convert to fraction form
    146,630.70/219,902.18 = 76,471.74/x
  3. Step 3: Cross multiply
    146,630.70x = 219,902.18 × 76,471.74
  4. Step 4: Simplify right side
    146,630.70x = 16,816,301,952.03
  5. Step 5: Solve for x
    x = 16,816,301,952.03/146,630.70
  6. Step 6: Final answer
    x = 114,684.73

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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.