Home / 165,687.03-248,156.69-76,753.71

Finding the Fourth Proportional to 165,687.03, 248,156.69 and 76,753.71

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Solution

The fourth proportional to 165,687.03, 248,156.69 and 76,753.71 is: 114,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,687.03 : 248,156.69 = 76,753.71 : x
  2. Step 2: Convert to fraction form
    165,687.03/248,156.69 = 76,753.71/x
  3. Step 3: Cross multiply
    165,687.03x = 248,156.69 × 76,753.71
  4. Step 4: Simplify right side
    165,687.03x = 19,046,946,235.05
  5. Step 5: Solve for x
    x = 19,046,946,235.05/165,687.03
  6. Step 6: Final answer
    x = 114,957.38

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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.