Home / 165,795.06-228,797.14-90,343.56

Finding the Fourth Proportional to 165,795.06, 228,797.14 and 90,343.56

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Solution

The fourth proportional to 165,795.06, 228,797.14 and 90,343.56 is: 124,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,795.06 : 228,797.14 = 90,343.56 : x
  2. Step 2: Convert to fraction form
    165,795.06/228,797.14 = 90,343.56/x
  3. Step 3: Cross multiply
    165,795.06x = 228,797.14 × 90,343.56
  4. Step 4: Simplify right side
    165,795.06x = 20,670,348,145.42
  5. Step 5: Solve for x
    x = 20,670,348,145.42/165,795.06
  6. Step 6: Final answer
    x = 124,674.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.