Home / 133,331.55-184,043.84-76,765.47

Finding the Fourth Proportional to 133,331.55, 184,043.84 and 76,765.47

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Solution

The fourth proportional to 133,331.55, 184,043.84 and 76,765.47 is: 105,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,331.55 : 184,043.84 = 76,765.47 : x
  2. Step 2: Convert to fraction form
    133,331.55/184,043.84 = 76,765.47/x
  3. Step 3: Cross multiply
    133,331.55x = 184,043.84 × 76,765.47
  4. Step 4: Simplify right side
    133,331.55x = 14,128,211,878.20
  5. Step 5: Solve for x
    x = 14,128,211,878.20/133,331.55
  6. Step 6: Final answer
    x = 105,963.01

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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.