Home / 165,977.44-248,980.20-72,548.80

Finding the Fourth Proportional to 165,977.44, 248,980.20 and 72,548.80

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Solution

The fourth proportional to 165,977.44, 248,980.20 and 72,548.80 is: 108,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,977.44 : 248,980.20 = 72,548.80 : x
  2. Step 2: Convert to fraction form
    165,977.44/248,980.20 = 72,548.80/x
  3. Step 3: Cross multiply
    165,977.44x = 248,980.20 × 72,548.80
  4. Step 4: Simplify right side
    165,977.44x = 18,063,214,733.76
  5. Step 5: Solve for x
    x = 18,063,214,733.76/165,977.44
  6. Step 6: Final answer
    x = 108,829.34

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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.