Home / 219,115.44-302,376.92-123,653.04

Finding the Fourth Proportional to 219,115.44, 302,376.92 and 123,653.04

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Solution

The fourth proportional to 219,115.44, 302,376.92 and 123,653.04 is: 170,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,115.44 : 302,376.92 = 123,653.04 : x
  2. Step 2: Convert to fraction form
    219,115.44/302,376.92 = 123,653.04/x
  3. Step 3: Cross multiply
    219,115.44x = 302,376.92 × 123,653.04
  4. Step 4: Simplify right side
    219,115.44x = 37,389,825,383.84
  5. Step 5: Solve for x
    x = 37,389,825,383.84/219,115.44
  6. Step 6: Final answer
    x = 170,639.85

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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.