Home / 165,729.60-248,788.80-164,563.20

Finding the Fourth Proportional to 165,729.60, 248,788.80 and 164,563.20

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Solution

The fourth proportional to 165,729.60, 248,788.80 and 164,563.20 is: 247,037.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,729.60 : 248,788.80 = 164,563.20 : x
  2. Step 2: Convert to fraction form
    165,729.60/248,788.80 = 164,563.20/x
  3. Step 3: Cross multiply
    165,729.60x = 248,788.80 × 164,563.20
  4. Step 4: Simplify right side
    165,729.60x = 40,941,481,052.16
  5. Step 5: Solve for x
    x = 40,941,481,052.16/165,729.60
  6. Step 6: Final answer
    x = 247,037.83

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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.