Home / 455,826.80-683,740.20-156,267.20

Finding the Fourth Proportional to 455,826.80, 683,740.20 and 156,267.20

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Solution

The fourth proportional to 455,826.80, 683,740.20 and 156,267.20 is: 234,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,826.80 : 683,740.20 = 156,267.20 : x
  2. Step 2: Convert to fraction form
    455,826.80/683,740.20 = 156,267.20/x
  3. Step 3: Cross multiply
    455,826.80x = 683,740.20 × 156,267.20
  4. Step 4: Simplify right side
    455,826.80x = 106,846,166,581.44
  5. Step 5: Solve for x
    x = 106,846,166,581.44/455,826.80
  6. Step 6: Final answer
    x = 234,400.80

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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.