Home / 219,632.40-329,072.13-147,450.11

Finding the Fourth Proportional to 219,632.40, 329,072.13 and 147,450.11

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Solution

The fourth proportional to 219,632.40, 329,072.13 and 147,450.11 is: 220,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,632.40 : 329,072.13 = 147,450.11 : x
  2. Step 2: Convert to fraction form
    219,632.40/329,072.13 = 147,450.11/x
  3. Step 3: Cross multiply
    219,632.40x = 329,072.13 × 147,450.11
  4. Step 4: Simplify right side
    219,632.40x = 48,521,720,121.07
  5. Step 5: Solve for x
    x = 48,521,720,121.07/219,632.40
  6. Step 6: Final answer
    x = 220,922.41

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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.