Home / 165,396.60-248,094.36-45,453.72

Finding the Fourth Proportional to 165,396.60, 248,094.36 and 45,453.72

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Solution

The fourth proportional to 165,396.60, 248,094.36 and 45,453.72 is: 68,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,396.60 : 248,094.36 = 45,453.72 : x
  2. Step 2: Convert to fraction form
    165,396.60/248,094.36 = 45,453.72/x
  3. Step 3: Cross multiply
    165,396.60x = 248,094.36 × 45,453.72
  4. Step 4: Simplify right side
    165,396.60x = 11,276,811,573.02
  5. Step 5: Solve for x
    x = 11,276,811,573.02/165,396.60
  6. Step 6: Final answer
    x = 68,180.43

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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.