Home / 165,918.60-248,877.90-55,110.60

Finding the Fourth Proportional to 165,918.60, 248,877.90 and 55,110.60

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Solution

The fourth proportional to 165,918.60, 248,877.90 and 55,110.60 is: 82,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,918.60 : 248,877.90 = 55,110.60 : x
  2. Step 2: Convert to fraction form
    165,918.60/248,877.90 = 55,110.60/x
  3. Step 3: Cross multiply
    165,918.60x = 248,877.90 × 55,110.60
  4. Step 4: Simplify right side
    165,918.60x = 13,715,810,395.74
  5. Step 5: Solve for x
    x = 13,715,810,395.74/165,918.60
  6. Step 6: Final answer
    x = 82,665.90

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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.