Home / 165,101.56-228,027.54-111,293.80

Finding the Fourth Proportional to 165,101.56, 228,027.54 and 111,293.80

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Solution

The fourth proportional to 165,101.56, 228,027.54 and 111,293.80 is: 153,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,101.56 : 228,027.54 = 111,293.80 : x
  2. Step 2: Convert to fraction form
    165,101.56/228,027.54 = 111,293.80/x
  3. Step 3: Cross multiply
    165,101.56x = 228,027.54 × 111,293.80
  4. Step 4: Simplify right side
    165,101.56x = 25,378,051,431.25
  5. Step 5: Solve for x
    x = 25,378,051,431.25/165,101.56
  6. Step 6: Final answer
    x = 153,711.76

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1.5x scale

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.