Home / 148,423.30-204,826.62-80,442.44

Finding the Fourth Proportional to 148,423.30, 204,826.62 and 80,442.44

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Solution

The fourth proportional to 148,423.30, 204,826.62 and 80,442.44 is: 111,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,423.30 : 204,826.62 = 80,442.44 : x
  2. Step 2: Convert to fraction form
    148,423.30/204,826.62 = 80,442.44/x
  3. Step 3: Cross multiply
    148,423.30x = 204,826.62 × 80,442.44
  4. Step 4: Simplify right side
    148,423.30x = 16,476,753,089.75
  5. Step 5: Solve for x
    x = 16,476,753,089.75/148,423.30
  6. Step 6: Final answer
    x = 111,011.90

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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.