Home / 180,765.18-271,183.23-66,913.98

Finding the Fourth Proportional to 180,765.18, 271,183.23 and 66,913.98

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Solution

The fourth proportional to 180,765.18, 271,183.23 and 66,913.98 is: 100,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,765.18 : 271,183.23 = 66,913.98 : x
  2. Step 2: Convert to fraction form
    180,765.18/271,183.23 = 66,913.98/x
  3. Step 3: Cross multiply
    180,765.18x = 271,183.23 × 66,913.98
  4. Step 4: Simplify right side
    180,765.18x = 18,145,949,176.76
  5. Step 5: Solve for x
    x = 18,145,949,176.76/180,765.18
  6. Step 6: Final answer
    x = 100,384.10

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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.