Home / 165,015.74-227,715.62-89,562.62

Finding the Fourth Proportional to 165,015.74, 227,715.62 and 89,562.62

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Solution

The fourth proportional to 165,015.74, 227,715.62 and 89,562.62 is: 123,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,015.74 : 227,715.62 = 89,562.62 : x
  2. Step 2: Convert to fraction form
    165,015.74/227,715.62 = 89,562.62/x
  3. Step 3: Cross multiply
    165,015.74x = 227,715.62 × 89,562.62
  4. Step 4: Simplify right side
    165,015.74x = 20,394,807,542.12
  5. Step 5: Solve for x
    x = 20,394,807,542.12/165,015.74
  6. Step 6: Final answer
    x = 123,593.10

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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.