Home / 165,937.10-248,905.65-55,129.10

Finding the Fourth Proportional to 165,937.10, 248,905.65 and 55,129.10

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Solution

The fourth proportional to 165,937.10, 248,905.65 and 55,129.10 is: 82,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,937.10 : 248,905.65 = 55,129.10 : x
  2. Step 2: Convert to fraction form
    165,937.10/248,905.65 = 55,129.10/x
  3. Step 3: Cross multiply
    165,937.10x = 248,905.65 × 55,129.10
  4. Step 4: Simplify right side
    165,937.10x = 13,721,944,469.42
  5. Step 5: Solve for x
    x = 13,721,944,469.42/165,937.10
  6. Step 6: Final answer
    x = 82,693.65

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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.