Home / 165,813.36-248,755.58-53,500

Finding the Fourth Proportional to 165,813.36, 248,755.58 and 53,500

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Solution

The fourth proportional to 165,813.36, 248,755.58 and 53,500 is: 80,261.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,813.36 : 248,755.58 = 53,500 : x
  2. Step 2: Convert to fraction form
    165,813.36/248,755.58 = 53,500/x
  3. Step 3: Cross multiply
    165,813.36x = 248,755.58 × 53,500
  4. Step 4: Simplify right side
    165,813.36x = 13,308,423,530
  5. Step 5: Solve for x
    x = 13,308,423,530/165,813.36
  6. Step 6: Final answer
    x = 80,261.47

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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.