Home / 305,736.90-458,496.21-125,769.75

Finding the Fourth Proportional to 305,736.90, 458,496.21 and 125,769.75

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Solution

The fourth proportional to 305,736.90, 458,496.21 and 125,769.75 is: 188,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,736.90 : 458,496.21 = 125,769.75 : x
  2. Step 2: Convert to fraction form
    305,736.90/458,496.21 = 125,769.75/x
  3. Step 3: Cross multiply
    305,736.90x = 458,496.21 × 125,769.75
  4. Step 4: Simplify right side
    305,736.90x = 57,664,953,707.65
  5. Step 5: Solve for x
    x = 57,664,953,707.65/305,736.90
  6. Step 6: Final answer
    x = 188,609.73

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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.