Home / 165,686.10-248,723.55-164,519.70

Finding the Fourth Proportional to 165,686.10, 248,723.55 and 164,519.70

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Solution

The fourth proportional to 165,686.10, 248,723.55 and 164,519.70 is: 246,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,686.10 : 248,723.55 = 164,519.70 : x
  2. Step 2: Convert to fraction form
    165,686.10/248,723.55 = 164,519.70/x
  3. Step 3: Cross multiply
    165,686.10x = 248,723.55 × 164,519.70
  4. Step 4: Simplify right side
    165,686.10x = 40,919,923,828.94
  5. Step 5: Solve for x
    x = 40,919,923,828.94/165,686.10
  6. Step 6: Final answer
    x = 246,972.58

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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.