Home / 165,216.60-227,998.86-89,765.40

Finding the Fourth Proportional to 165,216.60, 227,998.86 and 89,765.40

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Solution

The fourth proportional to 165,216.60, 227,998.86 and 89,765.40 is: 123,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,216.60 : 227,998.86 = 89,765.40 : x
  2. Step 2: Convert to fraction form
    165,216.60/227,998.86 = 89,765.40/x
  3. Step 3: Cross multiply
    165,216.60x = 227,998.86 × 89,765.40
  4. Step 4: Simplify right side
    165,216.60x = 20,466,408,867.44
  5. Step 5: Solve for x
    x = 20,466,408,867.44/165,216.60
  6. Step 6: Final answer
    x = 123,876.23

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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.