Home / 136,134.96-203,771.52-76,794.36

Finding the Fourth Proportional to 136,134.96, 203,771.52 and 76,794.36

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Solution

The fourth proportional to 136,134.96, 203,771.52 and 76,794.36 is: 114,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,134.96 : 203,771.52 = 76,794.36 : x
  2. Step 2: Convert to fraction form
    136,134.96/203,771.52 = 76,794.36/x
  3. Step 3: Cross multiply
    136,134.96x = 203,771.52 × 76,794.36
  4. Step 4: Simplify right side
    136,134.96x = 15,648,503,464.63
  5. Step 5: Solve for x
    x = 15,648,503,464.63/136,134.96
  6. Step 6: Final answer
    x = 114,948.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.