Home / 106,156.31-146,504.57-58,418.42

Finding the Fourth Proportional to 106,156.31, 146,504.57 and 58,418.42

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Solution

The fourth proportional to 106,156.31, 146,504.57 and 58,418.42 is: 80,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,156.31 : 146,504.57 = 58,418.42 : x
  2. Step 2: Convert to fraction form
    106,156.31/146,504.57 = 58,418.42/x
  3. Step 3: Cross multiply
    106,156.31x = 146,504.57 × 58,418.42
  4. Step 4: Simplify right side
    106,156.31x = 8,558,564,477.56
  5. Step 5: Solve for x
    x = 8,558,564,477.56/106,156.31
  6. Step 6: Final answer
    x = 80,622.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.