Home / 165,782.64-248,667.88-47,453.80

Finding the Fourth Proportional to 165,782.64, 248,667.88 and 47,453.80

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Solution

The fourth proportional to 165,782.64, 248,667.88 and 47,453.80 is: 71,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,782.64 : 248,667.88 = 47,453.80 : x
  2. Step 2: Convert to fraction form
    165,782.64/248,667.88 = 47,453.80/x
  3. Step 3: Cross multiply
    165,782.64x = 248,667.88 × 47,453.80
  4. Step 4: Simplify right side
    165,782.64x = 11,800,235,843.94
  5. Step 5: Solve for x
    x = 11,800,235,843.94/165,782.64
  6. Step 6: Final answer
    x = 71,178.96

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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.