Home / 451,415.22-676,910.58-166,909.20

Finding the Fourth Proportional to 451,415.22, 676,910.58 and 166,909.20

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Solution

The fourth proportional to 451,415.22, 676,910.58 and 166,909.20 is: 250,285.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,415.22 : 676,910.58 = 166,909.20 : x
  2. Step 2: Convert to fraction form
    451,415.22/676,910.58 = 166,909.20/x
  3. Step 3: Cross multiply
    451,415.22x = 676,910.58 × 166,909.20
  4. Step 4: Simplify right side
    451,415.22x = 112,982,603,379.34
  5. Step 5: Solve for x
    x = 112,982,603,379.34/451,415.22
  6. Step 6: Final answer
    x = 250,285.32

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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.