Home / 133,631.20-184,412.88-73,200.64

Finding the Fourth Proportional to 133,631.20, 184,412.88 and 73,200.64

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Solution

The fourth proportional to 133,631.20, 184,412.88 and 73,200.64 is: 101,017.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,631.20 : 184,412.88 = 73,200.64 : x
  2. Step 2: Convert to fraction form
    133,631.20/184,412.88 = 73,200.64/x
  3. Step 3: Cross multiply
    133,631.20x = 184,412.88 × 73,200.64
  4. Step 4: Simplify right side
    133,631.20x = 13,499,140,840.24
  5. Step 5: Solve for x
    x = 13,499,140,840.24/133,631.20
  6. Step 6: Final answer
    x = 101,017.88

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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.