Home / 217,022.85-325,895.54-146,400.03

Finding the Fourth Proportional to 217,022.85, 325,895.54 and 146,400.03

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Solution

The fourth proportional to 217,022.85, 325,895.54 and 146,400.03 is: 219,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,022.85 : 325,895.54 = 146,400.03 : x
  2. Step 2: Convert to fraction form
    217,022.85/325,895.54 = 146,400.03/x
  3. Step 3: Cross multiply
    217,022.85x = 325,895.54 × 146,400.03
  4. Step 4: Simplify right side
    217,022.85x = 47,711,116,100.87
  5. Step 5: Solve for x
    x = 47,711,116,100.87/217,022.85
  6. Step 6: Final answer
    x = 219,843.75

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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.