Home / 131,442.10-197,163.15-48,325.30

Finding the Fourth Proportional to 131,442.10, 197,163.15 and 48,325.30

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Solution

The fourth proportional to 131,442.10, 197,163.15 and 48,325.30 is: 72,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,442.10 : 197,163.15 = 48,325.30 : x
  2. Step 2: Convert to fraction form
    131,442.10/197,163.15 = 48,325.30/x
  3. Step 3: Cross multiply
    131,442.10x = 197,163.15 × 48,325.30
  4. Step 4: Simplify right side
    131,442.10x = 9,527,968,372.70
  5. Step 5: Solve for x
    x = 9,527,968,372.70/131,442.10
  6. Step 6: Final answer
    x = 72,487.95

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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.