Home / 133,907.20-184,778.48-80,190.84

Finding the Fourth Proportional to 133,907.20, 184,778.48 and 80,190.84

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Solution

The fourth proportional to 133,907.20, 184,778.48 and 80,190.84 is: 110,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,907.20 : 184,778.48 = 80,190.84 : x
  2. Step 2: Convert to fraction form
    133,907.20/184,778.48 = 80,190.84/x
  3. Step 3: Cross multiply
    133,907.20x = 184,778.48 × 80,190.84
  4. Step 4: Simplify right side
    133,907.20x = 14,817,541,263.65
  5. Step 5: Solve for x
    x = 14,817,541,263.65/133,907.20
  6. Step 6: Final answer
    x = 110,655.30

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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.