Home / 165,917.10-248,875.65-55,109.10

Finding the Fourth Proportional to 165,917.10, 248,875.65 and 55,109.10

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Solution

The fourth proportional to 165,917.10, 248,875.65 and 55,109.10 is: 82,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,917.10 : 248,875.65 = 55,109.10 : x
  2. Step 2: Convert to fraction form
    165,917.10/248,875.65 = 55,109.10/x
  3. Step 3: Cross multiply
    165,917.10x = 248,875.65 × 55,109.10
  4. Step 4: Simplify right side
    165,917.10x = 13,715,313,083.42
  5. Step 5: Solve for x
    x = 13,715,313,083.42/165,917.10
  6. Step 6: Final answer
    x = 82,663.65

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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.