Home / 180,787.10-271,183.49-68,437.16

Finding the Fourth Proportional to 180,787.10, 271,183.49 and 68,437.16

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Solution

The fourth proportional to 180,787.10, 271,183.49 and 68,437.16 is: 102,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,787.10 : 271,183.49 = 68,437.16 : x
  2. Step 2: Convert to fraction form
    180,787.10/271,183.49 = 68,437.16/x
  3. Step 3: Cross multiply
    180,787.10x = 271,183.49 × 68,437.16
  4. Step 4: Simplify right side
    180,787.10x = 18,559,026,196.39
  5. Step 5: Solve for x
    x = 18,559,026,196.39/180,787.10
  6. Step 6: Final answer
    x = 102,656.81

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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.