Home / 147,394.38-221,138.32-52,622.48

Finding the Fourth Proportional to 147,394.38, 221,138.32 and 52,622.48

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Solution

The fourth proportional to 147,394.38, 221,138.32 and 52,622.48 is: 78,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,394.38 : 221,138.32 = 52,622.48 : x
  2. Step 2: Convert to fraction form
    147,394.38/221,138.32 = 52,622.48/x
  3. Step 3: Cross multiply
    147,394.38x = 221,138.32 × 52,622.48
  4. Step 4: Simplify right side
    147,394.38x = 11,636,846,821.43
  5. Step 5: Solve for x
    x = 11,636,846,821.43/147,394.38
  6. Step 6: Final answer
    x = 78,950.41

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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.