Home / 165,609.50-248,453.40-54,801.50

Finding the Fourth Proportional to 165,609.50, 248,453.40 and 54,801.50

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Solution

The fourth proportional to 165,609.50, 248,453.40 and 54,801.50 is: 82,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,609.50 : 248,453.40 = 54,801.50 : x
  2. Step 2: Convert to fraction form
    165,609.50/248,453.40 = 54,801.50/x
  3. Step 3: Cross multiply
    165,609.50x = 248,453.40 × 54,801.50
  4. Step 4: Simplify right side
    165,609.50x = 13,615,619,000.10
  5. Step 5: Solve for x
    x = 13,615,619,000.10/165,609.50
  6. Step 6: Final answer
    x = 82,215.21

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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.