Home / 297,380.16-445,137.12-156,712.32

Finding the Fourth Proportional to 297,380.16, 445,137.12 and 156,712.32

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Solution

The fourth proportional to 297,380.16, 445,137.12 and 156,712.32 is: 234,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,380.16 : 445,137.12 = 156,712.32 : x
  2. Step 2: Convert to fraction form
    297,380.16/445,137.12 = 156,712.32/x
  3. Step 3: Cross multiply
    297,380.16x = 445,137.12 × 156,712.32
  4. Step 4: Simplify right side
    297,380.16x = 69,758,470,793.32
  5. Step 5: Solve for x
    x = 69,758,470,793.32/297,380.16
  6. Step 6: Final answer
    x = 234,576.75

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1.5x scale

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.