Home / 178,972.20-268,442.10-60,647.40

Finding the Fourth Proportional to 178,972.20, 268,442.10 and 60,647.40

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Solution

The fourth proportional to 178,972.20, 268,442.10 and 60,647.40 is: 90,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,972.20 : 268,442.10 = 60,647.40 : x
  2. Step 2: Convert to fraction form
    178,972.20/268,442.10 = 60,647.40/x
  3. Step 3: Cross multiply
    178,972.20x = 268,442.10 × 60,647.40
  4. Step 4: Simplify right side
    178,972.20x = 16,280,315,415.54
  5. Step 5: Solve for x
    x = 16,280,315,415.54/178,972.20
  6. Step 6: Final answer
    x = 90,965.61

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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.