Home / 133,556.28-184,289.58-79,829.88

Finding the Fourth Proportional to 133,556.28, 184,289.58 and 79,829.88

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Solution

The fourth proportional to 133,556.28, 184,289.58 and 79,829.88 is: 110,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,556.28 : 184,289.58 = 79,829.88 : x
  2. Step 2: Convert to fraction form
    133,556.28/184,289.58 = 79,829.88/x
  3. Step 3: Cross multiply
    133,556.28x = 184,289.58 × 79,829.88
  4. Step 4: Simplify right side
    133,556.28x = 14,711,815,056.65
  5. Step 5: Solve for x
    x = 14,711,815,056.65/133,556.28
  6. Step 6: Final answer
    x = 110,154.42

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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.