Home / 165,700.20-248,550.30-54,892.20

Finding the Fourth Proportional to 165,700.20, 248,550.30 and 54,892.20

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Solution

The fourth proportional to 165,700.20, 248,550.30 and 54,892.20 is: 82,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,700.20 : 248,550.30 = 54,892.20 : x
  2. Step 2: Convert to fraction form
    165,700.20/248,550.30 = 54,892.20/x
  3. Step 3: Cross multiply
    165,700.20x = 248,550.30 × 54,892.20
  4. Step 4: Simplify right side
    165,700.20x = 13,643,472,777.66
  5. Step 5: Solve for x
    x = 13,643,472,777.66/165,700.20
  6. Step 6: Final answer
    x = 82,338.30

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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.