Home / 165,120.35-227,935.82-111,478.01

Finding the Fourth Proportional to 165,120.35, 227,935.82 and 111,478.01

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Solution

The fourth proportional to 165,120.35, 227,935.82 and 111,478.01 is: 153,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,120.35 : 227,935.82 = 111,478.01 : x
  2. Step 2: Convert to fraction form
    165,120.35/227,935.82 = 111,478.01/x
  3. Step 3: Cross multiply
    165,120.35x = 227,935.82 × 111,478.01
  4. Step 4: Simplify right side
    165,120.35x = 25,409,832,469.85
  5. Step 5: Solve for x
    x = 25,409,832,469.85/165,120.35
  6. Step 6: Final answer
    x = 153,886.75

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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.