Home / 165,743.82-248,616.18-53,432.25

Finding the Fourth Proportional to 165,743.82, 248,616.18 and 53,432.25

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Solution

The fourth proportional to 165,743.82, 248,616.18 and 53,432.25 is: 80,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,743.82 : 248,616.18 = 53,432.25 : x
  2. Step 2: Convert to fraction form
    165,743.82/248,616.18 = 53,432.25/x
  3. Step 3: Cross multiply
    165,743.82x = 248,616.18 × 53,432.25
  4. Step 4: Simplify right side
    165,743.82x = 13,284,121,616.64
  5. Step 5: Solve for x
    x = 13,284,121,616.64/165,743.82
  6. Step 6: Final answer
    x = 80,148.52

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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.