Home / 165,035.88-227,749.32-89,584.38

Finding the Fourth Proportional to 165,035.88, 227,749.32 and 89,584.38

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Solution

The fourth proportional to 165,035.88, 227,749.32 and 89,584.38 is: 123,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,035.88 : 227,749.32 = 89,584.38 : x
  2. Step 2: Convert to fraction form
    165,035.88/227,749.32 = 89,584.38/x
  3. Step 3: Cross multiply
    165,035.88x = 227,749.32 × 89,584.38
  4. Step 4: Simplify right side
    165,035.88x = 20,402,781,627.62
  5. Step 5: Solve for x
    x = 20,402,781,627.62/165,035.88
  6. Step 6: Final answer
    x = 123,626.34

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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.