Home / 215,957.10-323,935.65-110,981.10

Finding the Fourth Proportional to 215,957.10, 323,935.65 and 110,981.10

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Solution

The fourth proportional to 215,957.10, 323,935.65 and 110,981.10 is: 166,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,957.10 : 323,935.65 = 110,981.10 : x
  2. Step 2: Convert to fraction form
    215,957.10/323,935.65 = 110,981.10/x
  3. Step 3: Cross multiply
    215,957.10x = 323,935.65 × 110,981.10
  4. Step 4: Simplify right side
    215,957.10x = 35,950,734,766.22
  5. Step 5: Solve for x
    x = 35,950,734,766.22/215,957.10
  6. Step 6: Final answer
    x = 166,471.65

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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.