Home / 451,657.35-677,577.15-131,808.60

Finding the Fourth Proportional to 451,657.35, 677,577.15 and 131,808.60

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Solution

The fourth proportional to 451,657.35, 677,577.15 and 131,808.60 is: 197,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,657.35 : 677,577.15 = 131,808.60 : x
  2. Step 2: Convert to fraction form
    451,657.35/677,577.15 = 131,808.60/x
  3. Step 3: Cross multiply
    451,657.35x = 677,577.15 × 131,808.60
  4. Step 4: Simplify right side
    451,657.35x = 89,310,495,533.49
  5. Step 5: Solve for x
    x = 89,310,495,533.49/451,657.35
  6. Step 6: Final answer
    x = 197,739.49

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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.