Home / 219,288.32-302,616.96-123,793.92

Finding the Fourth Proportional to 219,288.32, 302,616.96 and 123,793.92

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Solution

The fourth proportional to 219,288.32, 302,616.96 and 123,793.92 is: 170,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,288.32 : 302,616.96 = 123,793.92 : x
  2. Step 2: Convert to fraction form
    219,288.32/302,616.96 = 123,793.92/x
  3. Step 3: Cross multiply
    219,288.32x = 302,616.96 × 123,793.92
  4. Step 4: Simplify right side
    219,288.32x = 37,462,139,736.88
  5. Step 5: Solve for x
    x = 37,462,139,736.88/219,288.32
  6. Step 6: Final answer
    x = 170,835.09

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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.