Home / 164,972.12-227,662.14-89,520.62

Finding the Fourth Proportional to 164,972.12, 227,662.14 and 89,520.62

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Solution

The fourth proportional to 164,972.12, 227,662.14 and 89,520.62 is: 123,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,972.12 : 227,662.14 = 89,520.62 : x
  2. Step 2: Convert to fraction form
    164,972.12/227,662.14 = 89,520.62/x
  3. Step 3: Cross multiply
    164,972.12x = 227,662.14 × 89,520.62
  4. Step 4: Simplify right side
    164,972.12x = 20,380,455,923.33
  5. Step 5: Solve for x
    x = 20,380,455,923.33/164,972.12
  6. Step 6: Final answer
    x = 123,538.79

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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.