Home / 226,721.80-339,693.90-147,795.40

Finding the Fourth Proportional to 226,721.80, 339,693.90 and 147,795.40

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Solution

The fourth proportional to 226,721.80, 339,693.90 and 147,795.40 is: 221,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,721.80 : 339,693.90 = 147,795.40 : x
  2. Step 2: Convert to fraction form
    226,721.80/339,693.90 = 147,795.40/x
  3. Step 3: Cross multiply
    226,721.80x = 339,693.90 × 147,795.40
  4. Step 4: Simplify right side
    226,721.80x = 50,205,195,828.06
  5. Step 5: Solve for x
    x = 50,205,195,828.06/226,721.80
  6. Step 6: Final answer
    x = 221,439.65

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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.