Home / 305,081.85-457,627.58-115,491.33

Finding the Fourth Proportional to 305,081.85, 457,627.58 and 115,491.33

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Solution

The fourth proportional to 305,081.85, 457,627.58 and 115,491.33 is: 173,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,081.85 : 457,627.58 = 115,491.33 : x
  2. Step 2: Convert to fraction form
    305,081.85/457,627.58 = 115,491.33/x
  3. Step 3: Cross multiply
    305,081.85x = 457,627.58 × 115,491.33
  4. Step 4: Simplify right side
    305,081.85x = 52,852,017,858.88
  5. Step 5: Solve for x
    x = 52,852,017,858.88/305,081.85
  6. Step 6: Final answer
    x = 173,238.81

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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.