Home / 165,035.12-227,753.16-89,588.48

Finding the Fourth Proportional to 165,035.12, 227,753.16 and 89,588.48

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Solution

The fourth proportional to 165,035.12, 227,753.16 and 89,588.48 is: 123,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,035.12 : 227,753.16 = 89,588.48 : x
  2. Step 2: Convert to fraction form
    165,035.12/227,753.16 = 89,588.48/x
  3. Step 3: Cross multiply
    165,035.12x = 227,753.16 × 89,588.48
  4. Step 4: Simplify right side
    165,035.12x = 20,404,059,419.60
  5. Step 5: Solve for x
    x = 20,404,059,419.60/165,035.12
  6. Step 6: Final answer
    x = 123,634.65

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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.