Home / 165,146.31-227,900.66-89,695.35

Finding the Fourth Proportional to 165,146.31, 227,900.66 and 89,695.35

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Solution

The fourth proportional to 165,146.31, 227,900.66 and 89,695.35 is: 123,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,146.31 : 227,900.66 = 89,695.35 : x
  2. Step 2: Convert to fraction form
    165,146.31/227,900.66 = 89,695.35/x
  3. Step 3: Cross multiply
    165,146.31x = 227,900.66 × 89,695.35
  4. Step 4: Simplify right side
    165,146.31x = 20,441,629,015.45
  5. Step 5: Solve for x
    x = 20,441,629,015.45/165,146.31
  6. Step 6: Final answer
    x = 123,778.90

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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.