Home / 274,932.10-412,004.55-156,352.90

Finding the Fourth Proportional to 274,932.10, 412,004.55 and 156,352.90

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Solution

The fourth proportional to 274,932.10, 412,004.55 and 156,352.90 is: 234,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,932.10 : 412,004.55 = 156,352.90 : x
  2. Step 2: Convert to fraction form
    274,932.10/412,004.55 = 156,352.90/x
  3. Step 3: Cross multiply
    274,932.10x = 412,004.55 × 156,352.90
  4. Step 4: Simplify right side
    274,932.10x = 64,418,106,205.70
  5. Step 5: Solve for x
    x = 64,418,106,205.70/274,932.10
  6. Step 6: Final answer
    x = 234,305.51

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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.