Home / 114,927.70-172,391.55-106,633.30

Finding the Fourth Proportional to 114,927.70, 172,391.55 and 106,633.30

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Solution

The fourth proportional to 114,927.70, 172,391.55 and 106,633.30 is: 159,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,927.70 : 172,391.55 = 106,633.30 : x
  2. Step 2: Convert to fraction form
    114,927.70/172,391.55 = 106,633.30/x
  3. Step 3: Cross multiply
    114,927.70x = 172,391.55 × 106,633.30
  4. Step 4: Simplify right side
    114,927.70x = 18,382,679,868.62
  5. Step 5: Solve for x
    x = 18,382,679,868.62/114,927.70
  6. Step 6: Final answer
    x = 159,949.95

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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.