Home / 215,746.08-323,665.83-82,626.36

Finding the Fourth Proportional to 215,746.08, 323,665.83 and 82,626.36

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Solution

The fourth proportional to 215,746.08, 323,665.83 and 82,626.36 is: 123,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,746.08 : 323,665.83 = 82,626.36 : x
  2. Step 2: Convert to fraction form
    215,746.08/323,665.83 = 82,626.36/x
  3. Step 3: Cross multiply
    215,746.08x = 323,665.83 × 82,626.36
  4. Step 4: Simplify right side
    215,746.08x = 26,743,329,389.28
  5. Step 5: Solve for x
    x = 26,743,329,389.28/215,746.08
  6. Step 6: Final answer
    x = 123,957.43

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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.