Home / 147,394.43-221,138.38-52,622.58

Finding the Fourth Proportional to 147,394.43, 221,138.38 and 52,622.58

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Solution

The fourth proportional to 147,394.43, 221,138.38 and 52,622.58 is: 78,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,394.43 : 221,138.38 = 52,622.58 : x
  2. Step 2: Convert to fraction form
    147,394.43/221,138.38 = 52,622.58/x
  3. Step 3: Cross multiply
    147,394.43x = 221,138.38 × 52,622.58
  4. Step 4: Simplify right side
    147,394.43x = 11,636,872,092.62
  5. Step 5: Solve for x
    x = 11,636,872,092.62/147,394.43
  6. Step 6: Final answer
    x = 78,950.56

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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.