Home / 218,110.75-300,876.19-146,367.43

Finding the Fourth Proportional to 218,110.75, 300,876.19 and 146,367.43

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Solution

The fourth proportional to 218,110.75, 300,876.19 and 146,367.43 is: 201,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,110.75 : 300,876.19 = 146,367.43 : x
  2. Step 2: Convert to fraction form
    218,110.75/300,876.19 = 146,367.43/x
  3. Step 3: Cross multiply
    218,110.75x = 300,876.19 × 146,367.43
  4. Step 4: Simplify right side
    218,110.75x = 44,038,474,678.49
  5. Step 5: Solve for x
    x = 44,038,474,678.49/218,110.75
  6. Step 6: Final answer
    x = 201,908.78

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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.