Home / 133,520.32-184,199.34-79,778.44

Finding the Fourth Proportional to 133,520.32, 184,199.34 and 79,778.44

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Solution

The fourth proportional to 133,520.32, 184,199.34 and 79,778.44 is: 110,059.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,520.32 : 184,199.34 = 79,778.44 : x
  2. Step 2: Convert to fraction form
    133,520.32/184,199.34 = 79,778.44/x
  3. Step 3: Cross multiply
    133,520.32x = 184,199.34 × 79,778.44
  4. Step 4: Simplify right side
    133,520.32x = 14,695,135,994.23
  5. Step 5: Solve for x
    x = 14,695,135,994.23/133,520.32
  6. Step 6: Final answer
    x = 110,059.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.